"""Трудозатраты: проекты, разделы, команды, часы (с переработками, без денег)."""

from __future__ import annotations

import os
import traceback
from datetime import date
from typing import Annotated, Any

import pymysql
from fastapi import APIRouter, Depends, HTTPException, Query

from app.emp_schema import EMP_TABLE_CANONICAL
from app.main import (
    _column_lookup,
    _db_name,
    _json_cell,
    _quote_ident,
    _table_columns,
    get_conn,
    json_rows,
    require_api_key,
    resolve_emp_table,
)
from app.emp_departments import load_emp_departments
from app.emp_staffing import load_emp_staffing_titles
from app.project_status import (
    enrich_project_status_fields,
    project_status_name,
    _json_date,
)
from app.pagination_helpers import DEFAULT_FETCH_ALL_MAX, slice_page
from app.merakomis_schema import (
    DAY_TABLE,
    DAY_TYPE_NO_WORK,
    PROJECT_FIELDS,
    PROJECT_TABLE,
    SECTION_FIELDS,
    SECTION_TABLE,
    STEP_TABLE,
    TEAM_MEMBER_FIELDS,
    TEAM_MEMBER_TABLE,
    TIME_ABSENCE_TABLE,
    TIME_FIELDS,
    TIME_TABLE,
)

router = APIRouter()


def _resolve_table(cur, db: str, canonical: str) -> str:
    want = canonical.lower()
    cur.execute(
        """
        SELECT TABLE_NAME AS n
        FROM information_schema.TABLES
        WHERE TABLE_SCHEMA = %s AND LOWER(TABLE_NAME) = %s
        LIMIT 1
        """,
        (db, want),
    )
    row = cur.fetchone()
    if row:
        return row["n"]
    raise RuntimeError(f"Таблица {canonical!r} не найдена в БД {db!r}.")


def _prefixed_col(lut: dict[str, str], table_canonical: str, field: str) -> str | None:
    key = f"{table_canonical.lower()}_{field.lower()}"
    if key in lut:
        return lut[key]
    return lut.get(field.lower())


def _select_aliases(
    cols: list[str], table_canonical: str, fields: tuple[str, ...]
) -> tuple[str, list[str], list[str]]:
    lut = _column_lookup(cols)
    parts: list[str] = []
    aliases: list[str] = []
    skipped: list[str] = []
    for f in fields:
        db_col = _prefixed_col(lut, table_canonical, f)
        if not db_col:
            skipped.append(f)
            continue
        parts.append(f"{_quote_ident(db_col)} AS {_quote_ident(f)}")
        aliases.append(f)
    if not parts:
        raise RuntimeError(
            f"В {table_canonical!r} нет полей {fields}. Колонки: {cols[:20]}"
        )
    return ", ".join(parts), aliases, skipped


def _http_500(e: Exception) -> HTTPException:
    dbg = os.environ.get("DEBUG", "")
    msg = str(e)
    if dbg == "1":
        msg = f"{msg}\n{traceback.format_exc()}"
    return HTTPException(status_code=500, detail=msg)


def _parse_date_param(value: str | None, name: str) -> date | None:
    if not value or not value.strip():
        return None
    try:
        return date.fromisoformat(value.strip())
    except ValueError as e:
        raise HTTPException(
            status_code=400, detail=f"{name}: ожидается YYYY-MM-DD"
        ) from e


def _is_weekend(d: date) -> bool:
    return d.weekday() >= 5


def _load_no_work_days(cur, db: str, begin: date, end: date) -> set[str]:
    table = _resolve_table(cur, db, DAY_TABLE)
    cols = _table_columns(cur, db, table)
    lut = _column_lookup(cols)
    date_col = _prefixed_col(lut, DAY_TABLE, "date")
    type_col = _prefixed_col(lut, DAY_TABLE, "type")
    if not date_col or not type_col:
        return set()
    tq = _quote_ident(table)
    dq = _quote_ident(date_col)
    tyq = _quote_ident(type_col)
    cur.execute(
        f"""
        SELECT {dq} AS d FROM {tq}
        WHERE {dq} BETWEEN %s AND %s AND {tyq} = %s
        """,
        (begin.isoformat(), end.isoformat(), DAY_TYPE_NO_WORK),
    )
    out: set[str] = set()
    for row in cur.fetchall():
        v = row.get("d")
        if isinstance(v, date):
            out.add(v.isoformat())
        elif v is not None:
            out.add(str(v)[:10])
    return out


def _load_absences(cur, db: str, begin: date, end: date) -> dict[int, set[str]]:
    table = _resolve_table(cur, db, TIME_ABSENCE_TABLE)
    cols = _table_columns(cur, db, table)
    lut = _column_lookup(cols)
    emp_col = _prefixed_col(lut, TIME_ABSENCE_TABLE, "emp")
    date_col = _prefixed_col(lut, TIME_ABSENCE_TABLE, "date")
    if not emp_col or not date_col:
        return {}
    tq = _quote_ident(table)
    eq = _quote_ident(emp_col)
    dq = _quote_ident(date_col)
    cur.execute(
        f"""
        SELECT {eq} AS emp_id, {dq} AS d FROM {tq}
        WHERE {dq} BETWEEN %s AND %s
        """,
        (begin.isoformat(), end.isoformat()),
    )
    out: dict[int, set[str]] = {}
    for row in cur.fetchall():
        emp_id = int(row["emp_id"])
        v = row["d"]
        ds = v.isoformat() if isinstance(v, date) else str(v)[:10]
        out.setdefault(emp_id, set()).add(ds)
    return out


def _classify_duration(
    emp_id: int,
    day_str: str,
    duration: float,
    is_over: bool,
    no_work: set[str],
    absences: dict[int, set[str]],
) -> tuple[float, float, float, float]:
    """hours, over, over1, over2 — как в themes/merakomis/time/model.php getEmpsTime."""
    if not is_over:
        return duration, 0.0, 0.0, 0.0
    over = duration
    if (
        day_str in no_work
        or _is_weekend(date.fromisoformat(day_str))
        or day_str in absences.get(emp_id, set())
    ):
        return 0.0, over, 0.0, over
    return 0.0, over, over, 0.0


def _member_section_map(cur, db: str) -> dict[tuple[int, int], dict[str, Any]]:
    """(project_id, emp_id) -> section_id, section_name, role, active."""
    member_t = _resolve_table(cur, db, TEAM_MEMBER_TABLE)
    project_t = _resolve_table(cur, db, PROJECT_TABLE)
    section_t = _resolve_table(cur, db, SECTION_TABLE)

    m_cols = _table_columns(cur, db, member_t)
    p_cols = _table_columns(cur, db, project_t)
    s_cols = _table_columns(cur, db, section_t)
    ml = _column_lookup(m_cols)
    pl = _column_lookup(p_cols)
    sl = _column_lookup(s_cols)

    m_emp = _prefixed_col(ml, TEAM_MEMBER_TABLE, "emp")
    m_team = _prefixed_col(ml, TEAM_MEMBER_TABLE, "team")
    m_section = _prefixed_col(ml, TEAM_MEMBER_TABLE, "section")
    m_role = _prefixed_col(ml, TEAM_MEMBER_TABLE, "role")
    m_active = _prefixed_col(ml, TEAM_MEMBER_TABLE, "active")
    p_id = _prefixed_col(pl, PROJECT_TABLE, "id")
    p_team = _prefixed_col(pl, PROJECT_TABLE, "team")
    s_id = _prefixed_col(sl, SECTION_TABLE, "id")
    s_name = _prefixed_col(sl, SECTION_TABLE, "name")

    if not all([m_emp, m_team, m_section, p_id, p_team, s_id, s_name]):
        return {}

    mq = _quote_ident(member_t)
    pq = _quote_ident(project_t)
    sq = _quote_ident(section_t)

    role_sql = f", {_quote_ident(m_role)} AS role" if m_role else ", NULL AS role"
    active_sql = (
        f", {_quote_ident(m_active)} AS active" if m_active else ", 1 AS active"
    )

    cur.execute(
        f"""
        SELECT
          {_quote_ident(p_id)} AS project_id,
          {_quote_ident(m_emp)} AS emp_id,
          {_quote_ident(m_section)} AS section_id,
          {_quote_ident(s_name)} AS section_name
          {role_sql}
          {active_sql}
        FROM {mq} m
        INNER JOIN {pq} p ON {_quote_ident(p_team)} = {_quote_ident(m_team)}
        LEFT JOIN {sq} s ON {_quote_ident(s_id)} = {_quote_ident(m_section)}
        """
    )
    out: dict[tuple[int, int], dict[str, Any]] = {}
    for row in cur.fetchall():
        key = (int(row["project_id"]), int(row["emp_id"]))
        out[key] = {
            "section_id": row.get("section_id"),
            "section_name": row.get("section_name"),
            "role": row.get("role"),
            "active": bool(row.get("active")),
        }
    return out


def _emp_names(cur, db: str) -> dict[int, str]:
    try:
        emp_t = resolve_emp_table(cur, db)
        cols = _table_columns(cur, db, emp_t)
        lut = _column_lookup(cols)
        id_col = _prefixed_col(lut, EMP_TABLE_CANONICAL, "id")
        name_col = _prefixed_col(lut, EMP_TABLE_CANONICAL, "name")
        if not id_col or not name_col:
            return {}
        cur.execute(
            f"""
            SELECT {_quote_ident(id_col)} AS id, {_quote_ident(name_col)} AS name
            FROM {_quote_ident(emp_t)}
            """
        )
        return {int(r["id"]): str(r["name"] or "") for r in cur.fetchall()}
    except RuntimeError:
        return {}


def _step_names(cur, db: str) -> dict[int, str]:
    try:
        table = _resolve_table(cur, db, STEP_TABLE)
    except RuntimeError:
        return {}
    cols = _table_columns(cur, db, table)
    lut = _column_lookup(cols)
    id_col = _prefixed_col(lut, STEP_TABLE, "id")
    name_col = _prefixed_col(lut, STEP_TABLE, "name")
    if not id_col or not name_col:
        return {}
    cur.execute(
        f"""
        SELECT
          {_quote_ident(id_col)} AS id,
          {_quote_ident(name_col)} AS name
        FROM {_quote_ident(table)}
        """
    )
    return {int(r["id"]): str(r["name"] or "") for r in cur.fetchall()}


def _project_labels(cur, db: str) -> dict[int, dict[str, Any]]:
    table = _resolve_table(cur, db, PROJECT_TABLE)
    cols = _table_columns(cur, db, table)
    lut = _column_lookup(cols)
    id_col = _prefixed_col(lut, PROJECT_TABLE, "id")
    code_col = _prefixed_col(lut, PROJECT_TABLE, "code")
    name_col = _prefixed_col(lut, PROJECT_TABLE, "name")
    step_col = _prefixed_col(lut, PROJECT_TABLE, "step")
    status_col = _prefixed_col(lut, PROJECT_TABLE, "status")
    archive_col = _prefixed_col(lut, PROJECT_TABLE, "archive")
    archive_date_col = _prefixed_col(lut, PROJECT_TABLE, "archive_date")
    if not id_col:
        return {}
    step_names = _step_names(cur, db)
    step_sql = (
        f"{_quote_ident(step_col)} AS step" if step_col else "NULL AS step"
    )
    status_sql = (
        f"{_quote_ident(status_col)} AS status" if status_col else "NULL AS status"
    )
    archive_sql = (
        f"{_quote_ident(archive_col)} AS archive" if archive_col else "NULL AS archive"
    )
    archive_date_sql = (
        f"{_quote_ident(archive_date_col)} AS archive_date"
        if archive_date_col
        else "NULL AS archive_date"
    )
    cur.execute(
        f"""
        SELECT
          {_quote_ident(id_col)} AS id,
          {_quote_ident(code_col) if code_col else 'NULL'} AS code,
          {_quote_ident(name_col) if name_col else 'NULL'} AS name,
          {step_sql},
          {status_sql},
          {archive_sql},
          {archive_date_sql}
        FROM {_quote_ident(table)}
        """
    )
    out: dict[int, dict[str, Any]] = {}
    for r in cur.fetchall():
        step_id = int(r["step"] or 0) if r.get("step") is not None else 0
        st = r.get("status")
        out[int(r["id"])] = {
            "code": r.get("code") or "",
            "name": r.get("name") or "",
            "step_name": step_names.get(step_id, "") if step_id else "",
            "status": int(st) if st is not None else 0,
            "status_name": project_status_name(st) or None,
            "archive": bool(int(r.get("archive") or 0))
            if r.get("archive") is not None
            else False,
            "archive_date": _json_date(r.get("archive_date")),
        }
    return out


@router.get("/api/labor/meta")
def labor_meta(_auth: Annotated[None, Depends(require_api_key)]) -> dict[str, Any]:
    try:
        with get_conn() as c:
            with c.cursor() as cur:
                db = _db_name(cur)
                tables = {
                    "project": _resolve_table(cur, db, PROJECT_TABLE),
                    "section": _resolve_table(cur, db, SECTION_TABLE),
                    "team_member": _resolve_table(cur, db, TEAM_MEMBER_TABLE),
                    "time": _resolve_table(cur, db, TIME_TABLE),
                    "day": _resolve_table(cur, db, DAY_TABLE),
                    "time_absence": _resolve_table(cur, db, TIME_ABSENCE_TABLE),
                }
        return {
            "database": db,
            "tables": tables,
            "overtime": {
                "is_over_field": "is_over",
                "over1": "сверхурочные в рабочий день",
                "over2": "сверхурочные в выходной/праздник/день отсутствия",
            },
            "section_source": "tMerakomisTeamMember.section через project.team",
        }
    except pymysql.Error as e:
        raise HTTPException(status_code=500, detail=str(e)) from e
    except Exception as e:
        raise _http_500(e) from e


@router.get("/api/projects")
def projects(
    _auth: Annotated[None, Depends(require_api_key)],
    limit: int = Query(100, ge=1, le=500),
    offset: int = Query(0, ge=0),
    include_removed: bool = Query(False),
    include_archive: bool = Query(True),
) -> dict[str, Any]:
    try:
        with get_conn() as c:
            with c.cursor() as cur:
                db = _db_name(cur)
                table = _resolve_table(cur, db, PROJECT_TABLE)
                cols = _table_columns(cur, db, table)
                select_sql, aliases, skipped = _select_aliases(
                    cols, PROJECT_TABLE, PROJECT_FIELDS
                )
                lut = _column_lookup(cols)
                conds: list[str] = []
                removed_col = _prefixed_col(lut, PROJECT_TABLE, "removed")
                archive_col = _prefixed_col(lut, PROJECT_TABLE, "archive")
                if not include_removed and removed_col:
                    conds.append(f"{_quote_ident(removed_col)} = 0")
                if not include_archive and archive_col:
                    conds.append(f"{_quote_ident(archive_col)} = 0")
                where_sql = (" WHERE " + " AND ".join(conds)) if conds else ""
                tq = _quote_ident(table)
                id_col = _prefixed_col(lut, PROJECT_TABLE, "id")
                code_col = _prefixed_col(lut, PROJECT_TABLE, "code")
                order_col = code_col or id_col or cols[0]

                sql = (
                    f"SELECT {select_sql} FROM {tq}{where_sql}"
                    f" ORDER BY {_quote_ident(order_col)} LIMIT %s OFFSET %s"
                )
                cur.execute(sql, (limit, offset))
                rows = cur.fetchall()
                cur.execute(f"SELECT COUNT(*) AS n FROM {tq}{where_sql}")
                total = cur.fetchone()["n"]

        items = [
            enrich_project_status_fields(row) for row in json_rows(rows)
        ]
        return {
            "physical_table": table,
            "total": int(total),
            "limit": limit,
            "offset": offset,
            "skipped_unknown_in_db": skipped,
            "items": items,
        }
    except pymysql.Error as e:
        raise HTTPException(status_code=500, detail=str(e)) from e
    except Exception as e:
        raise _http_500(e) from e


@router.get("/api/sections")
def sections(
    _auth: Annotated[None, Depends(require_api_key)],
    limit: int = Query(500, ge=1, le=1000),
    offset: int = Query(0, ge=0),
    step: int | None = Query(None, ge=0),
) -> dict[str, Any]:
    try:
        with get_conn() as c:
            with c.cursor() as cur:
                db = _db_name(cur)
                table = _resolve_table(cur, db, SECTION_TABLE)
                cols = _table_columns(cur, db, table)
                select_sql, aliases, skipped = _select_aliases(
                    cols, SECTION_TABLE, SECTION_FIELDS
                )
                lut = _column_lookup(cols)
                conds: list[str] = []
                params: list[Any] = []
                if step is not None:
                    step_col = _prefixed_col(lut, SECTION_TABLE, "step")
                    if step_col:
                        conds.append(f"{_quote_ident(step_col)} = %s")
                        params.append(step)
                where_sql = (" WHERE " + " AND ".join(conds)) if conds else ""
                tq = _quote_ident(table)
                name_col = _prefixed_col(lut, SECTION_TABLE, "name")
                order_col = name_col or cols[0]

                sql = (
                    f"SELECT {select_sql} FROM {tq}{where_sql}"
                    f" ORDER BY {_quote_ident(order_col)} LIMIT %s OFFSET %s"
                )
                cur.execute(sql, (*params, limit, offset))
                rows = cur.fetchall()
                cur.execute(
                    f"SELECT COUNT(*) AS n FROM {tq}{where_sql}", tuple(params)
                )
                total = cur.fetchone()["n"]

        return {
            "physical_table": table,
            "total": int(total),
            "limit": limit,
            "offset": offset,
            "skipped_unknown_in_db": skipped,
            "items": json_rows(rows),
        }
    except pymysql.Error as e:
        raise HTTPException(status_code=500, detail=str(e)) from e
    except Exception as e:
        raise _http_500(e) from e


@router.get("/api/project-members")
def project_members(
    _auth: Annotated[None, Depends(require_api_key)],
    limit: int = Query(100, ge=1, le=500),
    offset: int = Query(0, ge=0),
    fetch_all: bool = Query(False, description="Вернуть все строки без пагинации"),
    project_id: int | None = Query(None, ge=1),
    emp_id: int | None = Query(None, ge=1),
    active_only: bool = Query(True),
) -> dict[str, Any]:
    try:
        with get_conn() as c:
            with c.cursor() as cur:
                db = _db_name(cur)
                member_t = _resolve_table(cur, db, TEAM_MEMBER_TABLE)
                project_t = _resolve_table(cur, db, PROJECT_TABLE)
                section_t = _resolve_table(cur, db, SECTION_TABLE)
                try:
                    step_t = _resolve_table(cur, db, STEP_TABLE)
                except RuntimeError:
                    step_t = None
                emp_t = resolve_emp_table(cur, db)

                m_cols = _table_columns(cur, db, member_t)
                p_cols = _table_columns(cur, db, project_t)
                s_cols = _table_columns(cur, db, section_t)
                st_cols = _table_columns(cur, db, step_t) if step_t else []
                e_cols = _table_columns(cur, db, emp_t)
                ml, pl, sl, stl, el = (
                    _column_lookup(m_cols),
                    _column_lookup(p_cols),
                    _column_lookup(s_cols),
                    _column_lookup(st_cols) if step_t else {},
                    _column_lookup(e_cols),
                )

                m_id = _prefixed_col(ml, TEAM_MEMBER_TABLE, "id")
                m_emp = _prefixed_col(ml, TEAM_MEMBER_TABLE, "emp")
                m_team = _prefixed_col(ml, TEAM_MEMBER_TABLE, "team")
                m_section = _prefixed_col(ml, TEAM_MEMBER_TABLE, "section")
                m_role = _prefixed_col(ml, TEAM_MEMBER_TABLE, "role")
                m_active = _prefixed_col(ml, TEAM_MEMBER_TABLE, "active")
                p_id = _prefixed_col(pl, PROJECT_TABLE, "id")
                p_code = _prefixed_col(pl, PROJECT_TABLE, "code")
                p_name = _prefixed_col(pl, PROJECT_TABLE, "name")
                p_step = _prefixed_col(pl, PROJECT_TABLE, "step")
                p_status = _prefixed_col(pl, PROJECT_TABLE, "status")
                p_archive = _prefixed_col(pl, PROJECT_TABLE, "archive")
                p_archive_date = _prefixed_col(pl, PROJECT_TABLE, "archive_date")
                p_removed = _prefixed_col(pl, PROJECT_TABLE, "removed")
                p_team = _prefixed_col(pl, PROJECT_TABLE, "team")
                st_id = _prefixed_col(stl, STEP_TABLE, "id") if step_t else None
                st_name = _prefixed_col(stl, STEP_TABLE, "name") if step_t else None
                step_name_sql = (
                    f"COALESCE(st.{_quote_ident(st_name)}, '') AS step_name"
                    if st_name and step_t and st_id and p_step
                    else "'' AS step_name"
                )
                step_join_sql = (
                    f"""
                LEFT JOIN {_quote_ident(step_t)} st
                  ON {_quote_ident(st_id)} = {_quote_ident(p_step)}"""
                    if step_t and st_id and p_step
                    else ""
                )
                s_id = _prefixed_col(sl, SECTION_TABLE, "id")
                s_name = _prefixed_col(sl, SECTION_TABLE, "name")
                e_id = _prefixed_col(el, EMP_TABLE_CANONICAL, "id")
                e_name = _prefixed_col(el, EMP_TABLE_CANONICAL, "name")

                conds = []
                params: list[Any] = []
                if p_removed:
                    conds.append(f"{_quote_ident(p_removed)} = 0")
                if active_only and m_active:
                    conds.append(f"{_quote_ident(m_active)} = 1")
                if project_id is not None and p_id:
                    conds.append(f"{_quote_ident(p_id)} = %s")
                    params.append(project_id)
                if emp_id is not None and m_emp:
                    conds.append(f"{_quote_ident(m_emp)} = %s")
                    params.append(emp_id)
                where_sql = (" WHERE " + " AND ".join(conds)) if conds else ""

                sql = f"""
                SELECT
                  {_quote_ident(m_id)} AS member_id,
                  {_quote_ident(m_emp)} AS emp_id,
                  {_quote_ident(e_name)} AS emp_name,
                  {_quote_ident(p_id)} AS project_id,
                  {_quote_ident(p_code)} AS project_code,
                  {_quote_ident(p_name)} AS project_name,
                  {step_name_sql},
                  {_quote_ident(p_status) if p_status else 'NULL'} AS status,
                  {_quote_ident(p_archive) if p_archive else '0'} AS archive,
                  {_quote_ident(p_archive_date) if p_archive_date else 'NULL'} AS archive_date,
                  {_quote_ident(m_section)} AS section_id,
                  {_quote_ident(s_name)} AS section_name,
                  {_quote_ident(m_role)} AS role,
                  {_quote_ident(m_active)} AS active
                FROM {_quote_ident(member_t)} m
                INNER JOIN {_quote_ident(project_t)} p
                  ON {_quote_ident(p_team)} = {_quote_ident(m_team)}{step_join_sql}
                LEFT JOIN {_quote_ident(emp_t)} e
                  ON {_quote_ident(e_id)} = {_quote_ident(m_emp)}
                LEFT JOIN {_quote_ident(section_t)} s
                  ON {_quote_ident(s_id)} = {_quote_ident(m_section)}
                {where_sql}
                ORDER BY {_quote_ident(p_code)}, {_quote_ident(e_name)}
                """
                count_sql = f"""
                SELECT COUNT(*) AS n
                FROM {_quote_ident(member_t)} m
                INNER JOIN {_quote_ident(project_t)} p
                  ON {_quote_ident(p_team)} = {_quote_ident(m_team)}
                {where_sql}
                """
                cur.execute(count_sql, tuple(params))
                total = int(cur.fetchone()["n"])

                if fetch_all:
                    if total > DEFAULT_FETCH_ALL_MAX:
                        raise HTTPException(
                            status_code=400,
                            detail={
                                "code": "too_many_rows",
                                "message": (
                                    f"Слишком много строк ({total}); "
                                    f"максимум {DEFAULT_FETCH_ALL_MAX}"
                                ),
                                "total": total,
                            },
                        )
                    cur.execute(sql, tuple(params))
                    rows = cur.fetchall()
                    resp_limit, resp_offset = total, 0
                else:
                    cur.execute(f"{sql} LIMIT %s OFFSET %s", (*params, limit, offset))
                    rows = cur.fetchall()
                    resp_limit, resp_offset = limit, offset

        return {
            "total": total,
            "limit": resp_limit,
            "offset": resp_offset,
            "fetch_all": fetch_all,
            "count": len(rows),
            "items": [
                enrich_project_status_fields(row) for row in json_rows(rows)
            ],
        }
    except pymysql.Error as e:
        raise HTTPException(status_code=500, detail=str(e)) from e
    except Exception as e:
        raise _http_500(e) from e


@router.get("/api/time-entries")
def time_entries(
    _auth: Annotated[None, Depends(require_api_key)],
    limit: int = Query(500, ge=1, le=2000),
    offset: int = Query(0, ge=0),
    fetch_all: bool = Query(False, description="Вернуть все строки за период без пагинации"),
    emp_id: int | None = Query(None, ge=1),
    project_id: int | None = Query(None, ge=1),
    date_from: str | None = Query(None, description="YYYY-MM-DD"),
    date_to: str | None = Query(None, description="YYYY-MM-DD"),
    is_over: int | None = Query(None, ge=0, le=1),
) -> dict[str, Any]:
    try:
        d_from = _parse_date_param(date_from, "date_from")
        d_to = _parse_date_param(date_to, "date_to")
        if d_from and d_to and d_from > d_to:
            raise HTTPException(status_code=400, detail="date_from > date_to")

        with get_conn() as c:
            with c.cursor() as cur:
                db = _db_name(cur)
                table = _resolve_table(cur, db, TIME_TABLE)
                cols = _table_columns(cur, db, table)
                select_sql, aliases, skipped = _select_aliases(
                    cols, TIME_TABLE, TIME_FIELDS
                )
                lut = _column_lookup(cols)
                conds: list[str] = []
                params: list[Any] = []
                emp_col = _prefixed_col(lut, TIME_TABLE, "emp")
                proj_col = _prefixed_col(lut, TIME_TABLE, "project")
                date_col = _prefixed_col(lut, TIME_TABLE, "date")
                over_col = _prefixed_col(lut, TIME_TABLE, "is_over")

                if emp_id is not None and emp_col:
                    conds.append(f"{_quote_ident(emp_col)} = %s")
                    params.append(emp_id)
                if project_id is not None and proj_col:
                    conds.append(f"{_quote_ident(proj_col)} = %s")
                    params.append(project_id)
                if d_from and date_col:
                    conds.append(f"{_quote_ident(date_col)} >= %s")
                    params.append(d_from.isoformat())
                if d_to and date_col:
                    conds.append(f"{_quote_ident(date_col)} <= %s")
                    params.append(d_to.isoformat())
                if is_over is not None and over_col:
                    conds.append(f"{_quote_ident(over_col)} = %s")
                    params.append(is_over)

                where_sql = (" WHERE " + " AND ".join(conds)) if conds else ""
                tq = _quote_ident(table)
                order_parts = []
                if date_col:
                    order_parts.append(f"{_quote_ident(date_col)} DESC")
                id_col = _prefixed_col(lut, TIME_TABLE, "id")
                if id_col:
                    order_parts.append(f"{_quote_ident(id_col)} DESC")
                order_sql = ", ".join(order_parts) if order_parts else "1"

                sql_base = (
                    f"SELECT {select_sql} FROM {tq}{where_sql}"
                    f" ORDER BY {order_sql}"
                )
                cur.execute(
                    f"SELECT COUNT(*) AS n FROM {tq}{where_sql}", tuple(params)
                )
                total = int(cur.fetchone()["n"])

                if fetch_all:
                    if total > DEFAULT_FETCH_ALL_MAX:
                        raise HTTPException(
                            status_code=400,
                            detail={
                                "code": "too_many_rows",
                                "message": (
                                    f"Слишком много строк ({total}); "
                                    f"максимум {DEFAULT_FETCH_ALL_MAX}"
                                ),
                                "total": total,
                            },
                        )
                    cur.execute(sql_base, tuple(params))
                    rows = cur.fetchall()
                    resp_limit, resp_offset = total, 0
                else:
                    cur.execute(
                        f"{sql_base} LIMIT %s OFFSET %s", (*params, limit, offset)
                    )
                    rows = cur.fetchall()
                    resp_limit, resp_offset = limit, offset

        return {
            "physical_table": table,
            "total": total,
            "limit": resp_limit,
            "offset": resp_offset,
            "fetch_all": fetch_all,
            "count": len(rows),
            "date_from": d_from.isoformat() if d_from else None,
            "date_to": d_to.isoformat() if d_to else None,
            "skipped_unknown_in_db": skipped,
            "items": json_rows(rows),
        }
    except HTTPException:
        raise
    except pymysql.Error as e:
        raise HTTPException(status_code=500, detail=str(e)) from e
    except Exception as e:
        raise _http_500(e) from e


def _department_label(
    dept_map: dict[int, list[dict[str, Any]]], emp_id: int
) -> str | None:
    deps = dept_map.get(emp_id, [])
    codes: list[str] = []
    seen: set[str] = set()
    for d in deps:
        c = d.get("code")
        if c and c not in seen:
            seen.add(c)
            codes.append(c)
    return ", ".join(codes) if codes else None


def _compute_labor_summary_items(
    cur,
    db: str,
    d_from: date,
    d_to: date,
    emp_id: int | None = None,
    project_id: int | None = None,
) -> list[dict[str, Any]]:
    table = _resolve_table(cur, db, TIME_TABLE)
    cols = _table_columns(cur, db, table)
    lut = _column_lookup(cols)
    emp_col = _prefixed_col(lut, TIME_TABLE, "emp")
    proj_col = _prefixed_col(lut, TIME_TABLE, "project")
    date_col = _prefixed_col(lut, TIME_TABLE, "date")
    dur_col = _prefixed_col(lut, TIME_TABLE, "duration")
    over_col = _prefixed_col(lut, TIME_TABLE, "is_over")
    if not all([emp_col, proj_col, date_col, dur_col, over_col]):
        raise RuntimeError("В таблице времени не хватает обязательных колонок")

    conds = [f"{_quote_ident(date_col)} BETWEEN %s AND %s"]
    params: list[Any] = [d_from.isoformat(), d_to.isoformat()]
    if emp_id is not None:
        conds.append(f"{_quote_ident(emp_col)} = %s")
        params.append(emp_id)
    if project_id is not None:
        conds.append(f"{_quote_ident(proj_col)} = %s")
        params.append(project_id)
    where_sql = " WHERE " + " AND ".join(conds)

    cur.execute(
        f"""
        SELECT
          {_quote_ident(emp_col)} AS emp_id,
          {_quote_ident(proj_col)} AS project_id,
          {_quote_ident(date_col)} AS d,
          {_quote_ident(dur_col)} AS duration,
          {_quote_ident(over_col)} AS is_over
        FROM {_quote_ident(table)}
        {where_sql}
        """,
        tuple(params),
    )
    raw = cur.fetchall()

    no_work = _load_no_work_days(cur, db, d_from, d_to)
    absences = _load_absences(cur, db, d_from, d_to)
    sections = _member_section_map(cur, db)
    emp_names = _emp_names(cur, db)
    projects = _project_labels(cur, db)
    staffing_titles = load_emp_staffing_titles(cur, db)
    dept_map = load_emp_departments(cur, db)

    agg: dict[tuple[int, int], dict[str, Any]] = {}
    for row in raw:
        eid = int(row["emp_id"])
        pid = int(row["project_id"])
        key = (eid, pid)
        if key not in agg:
            sec = sections.get((pid, eid), {})
            pl = projects.get(pid, {})
            agg[key] = {
                "emp_id": eid,
                "emp_name": emp_names.get(eid, ""),
                "department": _department_label(dept_map, eid),
                "staffing_title": staffing_titles.get(eid) or None,
                "project_id": pid,
                "project_code": pl.get("code", ""),
                "project_name": pl.get("name", ""),
                "step_name": pl.get("step_name", ""),
                "status": pl.get("status", 0),
                "status_name": pl.get("status_name"),
                "archive": pl.get("archive", False),
                "archive_date": pl.get("archive_date"),
                "section_id": sec.get("section_id"),
                "section_name": sec.get("section_name"),
                "role": sec.get("role"),
                "hours": 0.0,
                "over": 0.0,
                "over1": 0.0,
                "over2": 0.0,
                "total": 0.0,
            }
        d_val = row["d"]
        day_str = (
            d_val.isoformat() if isinstance(d_val, date) else str(d_val)[:10]
        )
        dur = float(row["duration"] or 0)
        is_ov = bool(int(row["is_over"] or 0))
        h, ov, ov1, ov2 = _classify_duration(
            eid, day_str, dur, is_ov, no_work, absences
        )
        bucket = agg[key]
        bucket["hours"] += h
        bucket["over"] += ov
        bucket["over1"] += ov1
        bucket["over2"] += ov2
        bucket["total"] += h + ov

    items = sorted(
        agg.values(),
        key=lambda x: (x.get("emp_name") or "", x.get("project_code") or ""),
    )
    for it in items:
        for k in ("hours", "over", "over1", "over2", "total"):
            it[k] = round(it[k], 2)
    return items


def _compute_project_report_items(
    cur,
    db: str,
    d_from: date,
    d_to: date,
    project_id: int | None = None,
) -> list[dict[str, Any]]:
    """Агрегат часов по проект + орготдел + раздел (сумма по всем сотрудникам)."""
    emp_items = _compute_labor_summary_items(
        cur, db, d_from, d_to, project_id=project_id
    )
    agg: dict[tuple[int, str, str], dict[str, Any]] = {}
    for it in emp_items:
        pid = int(it["project_id"])
        dept = it.get("department") or ""
        sec = it.get("section_name") or ""
        key = (pid, dept, sec)
        if key not in agg:
            agg[key] = {
                "project_id": pid,
                "project_code": it.get("project_code", ""),
                "project_name": it.get("project_name", ""),
                "step_name": it.get("step_name", ""),
                "status": it.get("status", 0),
                "status_name": it.get("status_name"),
                "archive": it.get("archive", False),
                "archive_date": it.get("archive_date"),
                "department": it.get("department"),
                "section": it.get("section_name"),
                "hours": 0.0,
                "over": 0.0,
                "over1": 0.0,
                "over2": 0.0,
                "total": 0.0,
            }
        bucket = agg[key]
        for k in ("hours", "over", "over1", "over2", "total"):
            bucket[k] += it[k]

    items = sorted(
        agg.values(),
        key=lambda x: (
            x.get("project_code") or "",
            x.get("section") or "",
            x.get("department") or "",
        ),
    )
    for it in items:
        for k in ("hours", "over", "over1", "over2", "total"):
            it[k] = round(it[k], 2)
    return items


def _parse_labor_period(
    date_from: str, date_to: str
) -> tuple[date, date]:
    d_from = _parse_date_param(date_from, "date_from")
    d_to = _parse_date_param(date_to, "date_to")
    if not d_from or not d_to:
        raise HTTPException(status_code=400, detail="Нужны date_from и date_to")
    if d_from > d_to:
        raise HTTPException(status_code=400, detail="date_from > date_to")
    return d_from, d_to


@router.get("/api/labor-summary")
def labor_summary(
    _auth: Annotated[None, Depends(require_api_key)],
    date_from: str = Query(..., description="YYYY-MM-DD"),
    date_to: str = Query(..., description="YYYY-MM-DD"),
    emp_id: int | None = Query(None, ge=1),
    project_id: int | None = Query(None, ge=1),
    limit: int = Query(500, ge=1, le=2000),
    offset: int = Query(0, ge=0),
    fetch_all: bool = Query(False, description="Вернуть все строки без пагинации"),
) -> dict[str, Any]:
    """Агрегат часов по сотрудник+проект+раздел (без денег)."""
    try:
        d_from, d_to = _parse_labor_period(date_from, date_to)

        with get_conn() as c:
            with c.cursor() as cur:
                db = _db_name(cur)
                items = _compute_labor_summary_items(
                    cur, db, d_from, d_to, emp_id, project_id
                )

        page, total, resp_limit, resp_offset = slice_page(
            items, offset=offset, limit=limit, fetch_all=fetch_all
        )

        return {
            "date_from": d_from.isoformat(),
            "date_to": d_to.isoformat(),
            "total": total,
            "limit": resp_limit,
            "offset": resp_offset,
            "fetch_all": fetch_all,
            "count": len(page),
            "items": page,
        }
    except HTTPException:
        raise
    except pymysql.Error as e:
        raise HTTPException(status_code=500, detail=str(e)) from e
    except Exception as e:
        raise _http_500(e) from e


@router.get("/api/work-report")
def work_report(
    _auth: Annotated[None, Depends(require_api_key)],
    date_from: str = Query(..., description="YYYY-MM-DD"),
    date_to: str = Query(..., description="YYYY-MM-DD"),
    emp_id: int | None = Query(None, ge=1),
    project_id: int | None = Query(None, ge=1),
    limit: int = Query(500, ge=1, le=2000),
    offset: int = Query(0, ge=0),
    fetch_all: bool = Query(False, description="Вернуть все строки без пагинации"),
) -> dict[str, Any]:
    """Сводка: сотрудник + отдел + раздел проекта + часы (страница /summary)."""
    try:
        d_from, d_to = _parse_labor_period(date_from, date_to)

        with get_conn() as c:
            with c.cursor() as cur:
                db = _db_name(cur)
                items = _compute_labor_summary_items(
                    cur, db, d_from, d_to, emp_id, project_id
                )

        report = [
            {
                "id": it["emp_id"],
                "employee": it["emp_name"],
                "department": it.get("department"),
                "staffing_title": it.get("staffing_title"),
                "section": it.get("section_name"),
                "project_code": it.get("project_code"),
                "project_name": it.get("project_name"),
                "step_name": it.get("step_name"),
                "status": it.get("status"),
                "status_name": it.get("status_name"),
                "archive": it.get("archive"),
                "archive_date": it.get("archive_date"),
                "hours": it["hours"],
                "over": it["over"],
                "over1": it["over1"],
                "over2": it["over2"],
                "total": it["total"],
            }
            for it in items
        ]
        page, total, resp_limit, resp_offset = slice_page(
            report, offset=offset, limit=limit, fetch_all=fetch_all
        )

        return {
            "date_from": d_from.isoformat(),
            "date_to": d_to.isoformat(),
            "total": total,
            "limit": resp_limit,
            "offset": resp_offset,
            "fetch_all": fetch_all,
            "count": len(page),
            "items": page,
        }
    except HTTPException:
        raise
    except pymysql.Error as e:
        raise HTTPException(status_code=500, detail=str(e)) from e
    except Exception as e:
        raise _http_500(e) from e


@router.get("/api/project-report")
def project_report(
    _auth: Annotated[None, Depends(require_api_key)],
    date_from: str = Query(..., description="YYYY-MM-DD"),
    date_to: str = Query(..., description="YYYY-MM-DD"),
    project_id: int | None = Query(None, ge=1),
    limit: int = Query(500, ge=1, le=2000),
    offset: int = Query(0, ge=0),
    fetch_all: bool = Query(False, description="Вернуть все строки без пагинации"),
) -> dict[str, Any]:
    """Сводка: проект + отдел + раздел + суммарные часы (страница /project-report)."""
    try:
        d_from, d_to = _parse_labor_period(date_from, date_to)

        with get_conn() as c:
            with c.cursor() as cur:
                db = _db_name(cur)
                items = _compute_project_report_items(
                    cur, db, d_from, d_to, project_id
                )

        report = [
            {
                "id": it["project_id"],
                "project_code": it.get("project_code"),
                "project_name": it.get("project_name"),
                "step_name": it.get("step_name"),
                "status": it.get("status"),
                "status_name": it.get("status_name"),
                "archive": it.get("archive"),
                "archive_date": it.get("archive_date"),
                "department": it.get("department"),
                "section": it.get("section"),
                "hours": it["hours"],
                "over": it["over"],
                "over1": it["over1"],
                "over2": it["over2"],
                "total": it["total"],
            }
            for it in items
        ]
        page, total, resp_limit, resp_offset = slice_page(
            report, offset=offset, limit=limit, fetch_all=fetch_all
        )

        return {
            "date_from": d_from.isoformat(),
            "date_to": d_to.isoformat(),
            "total": total,
            "limit": resp_limit,
            "offset": resp_offset,
            "fetch_all": fetch_all,
            "count": len(page),
            "items": page,
        }
    except HTTPException:
        raise
    except pymysql.Error as e:
        raise HTTPException(status_code=500, detail=str(e)) from e
    except Exception as e:
        raise _http_500(e) from e