# -*- coding: utf-8 -*-
# Copyright 2026 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)

from odoo import models, fields


class FusionClockShift(models.Model):
    _name = 'fusion.clock.shift'
    _description = 'Clock Shift Schedule'
    _order = 'sequence, name'
    _rec_name = 'name'

    name = fields.Char(
        string='Shift Name',
        required=True,
        help="E.g. 'Morning Shift', 'Evening Shift'.",
    )
    start_time = fields.Float(
        string='Start Time',
        required=True,
        default=9.0,
        help="Shift start in 24h float (e.g. 7.0 = 7:00 AM).",
    )
    end_time = fields.Float(
        string='End Time',
        required=True,
        default=17.0,
        help="Shift end in 24h float (e.g. 15.0 = 3:00 PM).",
    )
    break_minutes = fields.Float(
        string='Break Duration (min)',
        default=30.0,
        help="Unpaid break duration in minutes for this shift.",
    )
    sequence = fields.Integer(default=10)
    company_id = fields.Many2one(
        'res.company',
        string='Company',
        default=lambda self: self.env.company,
        required=True,
    )
    active = fields.Boolean(default=True)
    color = fields.Char(string='Color', default='#3B82F6')

    # Weekday pattern — which days this recurring shift applies as the baseline
    # when there is no posted planner entry for the day. Default Mon-Fri.
    day_mon = fields.Boolean(string='Mon', default=True)
    day_tue = fields.Boolean(string='Tue', default=True)
    day_wed = fields.Boolean(string='Wed', default=True)
    day_thu = fields.Boolean(string='Thu', default=True)
    day_fri = fields.Boolean(string='Fri', default=True)
    day_sat = fields.Boolean(string='Sat', default=False)
    day_sun = fields.Boolean(string='Sun', default=False)

    employee_ids = fields.One2many(
        'hr.employee',
        'x_fclk_shift_id',
        string='Assigned Employees',
    )
    employee_count = fields.Integer(
        string='Employees',
        compute='_compute_employee_count',
    )

    def _compute_employee_count(self):
        for rec in self:
            rec.employee_count = len(rec.employee_ids)

    def covers_weekday(self, date):
        """Return True if this recurring shift applies on the given date's
        weekday (Mon=0 .. Sun=6)."""
        self.ensure_one()
        date_obj = fields.Date.to_date(date)
        if not date_obj:
            return False
        days = (self.day_mon, self.day_tue, self.day_wed, self.day_thu,
                self.day_fri, self.day_sat, self.day_sun)
        return bool(days[date_obj.weekday()])

    @property
    def scheduled_hours(self):
        """Return the scheduled work hours for this shift (excluding break)."""
        raw = self.end_time - self.start_time
        return max(raw - (self.break_minutes / 60.0), 0.0)