"""Алгоритмы записи часов — порт addFromCalendar."""

from __future__ import annotations

from datetime import date
from typing import Any


def normalize_time_value(time: float) -> float:
    x = (time - int(time)) * 100
    if x <= 25:
        frac = 0
    elif x >= 75:
        frac = 100
    else:
        frac = 50
    t = int(time) + frac / 100
    if t < 0:
        t = 0
    if t > 24:
        t = 24
    return float(t)


def apply_daily_limits(
    time: float,
    is_over: bool,
    total_work: float,
    total_over: float,
    project_hours: float,
    project_over: float,
    max_work_hours: float,
    max_over_hours: float,
) -> tuple[float, dict[str, float]]:
    tw = total_work - project_hours
    to = total_over - project_over
    new_work = tw + time
    new_over = to + time
    left_work = max_work_hours - tw
    left_over = max_over_hours - to
    clamped = False
    if is_over:
        if new_over > max_over_hours:
            time = left_over
            clamped = True
    else:
        if new_work > max_work_hours:
            time = left_work
            clamped = True
    if time < 0:
        time = 0
        clamped = True
    limits = {
        "max_work_hours": max_work_hours,
        "max_over_hours": max_over_hours,
        "left_work_hours": left_work,
        "left_over_hours": left_over,
        "new_work_hours": tw + (time if not is_over else 0),
        "new_over_hours": to + (time if is_over else 0),
        "clamped": clamped,
    }
    return time, limits


def sum_day_totals(rows: list[dict[str, Any]]) -> tuple[float, float]:
    total_work = 0.0
    total_over = 0.0
    for row in rows:
        dur = float(row.get("cc") or row.get("duration") or 0)
        if int(row.get("is_over") or 0):
            total_over += dur
        else:
            total_work += dur
    return total_work, total_over


def project_day_info(rows: list[dict[str, Any]]) -> dict[str, float]:
    hours = 0.0
    over = 0.0
    for row in rows:
        dur = float(row.get("cc") or row.get("duration") or 0)
        if int(row.get("is_over") or 0):
            over += dur
        else:
            hours += dur
    return {
        "hours": hours,
        "over": over,
        "over1": 0.0,
        "over2": 0.0,
        "total": hours + over,
    }