# -*- coding: utf-8 -*-
from odoo import models, fields, api, _

class GarmentSewingLine(models.Model):
    _name = 'garment.sewing.line'
    _inherit = ['mail.thread', 'mail.activity.mixin']
    _description = 'Garment Sewing Line'
    _order = 'name'

    name = fields.Char(string='Line Name', required=True)
    code = fields.Char(string='Line Code', required=True)
    supervisor_id = fields.Many2one('res.users', string='Line Supervisor', tracking=True)
    operator_count = fields.Integer(string='Standard Operators', default=20)
    helper_count = fields.Integer(string='Helpers / Feeders', default=4)
    daily_capacity_pcs = fields.Integer(string='Standard Daily Target (Pcs)', default=1000)
    active = fields.Boolean(default=True)
    notes = fields.Text(string='Machine Layout / Setup Notes')

    _code_uniq = models.Constraint('UNIQUE(code)', 'Line Code must be unique!')


class GarmentSewingHourly(models.Model):
    _name = 'garment.sewing.hourly'
    _inherit = ['mail.thread', 'mail.activity.mixin']
    _description = 'Sewing Floor Hourly Production Log'
    _order = 'date desc, line_id'

    name = fields.Char(string='Reference', compute='_compute_name', store=True)
    line_id = fields.Many2one('garment.sewing.line', string='Sewing Line', required=True, tracking=True)
    date = fields.Date(string='Production Date', default=fields.Date.today, required=True, tracking=True)
    shift = fields.Selection([('general', 'General Shift (08:30-17:30)'), ('shift_a', 'Shift A'), ('shift_b', 'Shift B')], string='Shift', default='general')
    
    style_id = fields.Many2one('garment.style', string='Garment Style Running', required=True, tracking=True)
    production_plan_id = fields.Many2one('garment.production.plan', string='Production Order', tracking=True)
    
    # Operators & SAM
    operators_present = fields.Integer(string='Operators Present', default=20, required=True)
    sam = fields.Float(string='Garment SAM (Minutes)', default=12.0, required=True)
    working_minutes_per_hour = fields.Integer(string='Minutes / Hour', default=60)
    
    # Hourly Outputs (Target, Actual, Rejections)
    h1_target = fields.Integer(string='H1 Target (08:30-09:30)', default=120)
    h1_actual = fields.Integer(string='H1 Actual', default=0)
    h1_defect = fields.Integer(string='H1 Defect', default=0)
    
    h2_target = fields.Integer(string='H2 Target (09:30-10:30)', default=120)
    h2_actual = fields.Integer(string='H2 Actual', default=0)
    h2_defect = fields.Integer(string='H2 Defect', default=0)
    
    h3_target = fields.Integer(string='H3 Target (10:30-11:30)', default=120)
    h3_actual = fields.Integer(string='H3 Actual', default=0)
    h3_defect = fields.Integer(string='H3 Defect', default=0)
    
    h4_target = fields.Integer(string='H4 Target (11:30-12:30)', default=120)
    h4_actual = fields.Integer(string='H4 Actual', default=0)
    h4_defect = fields.Integer(string='H4 Defect', default=0)
    
    h5_target = fields.Integer(string='H5 Target (13:15-14:15)', default=120)
    h5_actual = fields.Integer(string='H5 Actual', default=0)
    h5_defect = fields.Integer(string='H5 Defect', default=0)
    
    h6_target = fields.Integer(string='H6 Target (14:15-15:15)', default=120)
    h6_actual = fields.Integer(string='H6 Actual', default=0)
    h6_defect = fields.Integer(string='H6 Defect', default=0)
    
    h7_target = fields.Integer(string='H7 Target (15:15-16:15)', default=120)
    h7_actual = fields.Integer(string='H7 Actual', default=0)
    h7_defect = fields.Integer(string='H7 Defect', default=0)
    
    h8_target = fields.Integer(string='H8 Target (16:15-17:15)', default=120)
    h8_actual = fields.Integer(string='H8 Actual', default=0)
    h8_defect = fields.Integer(string='H8 Defect', default=0)
    
    ot_target = fields.Integer(string='OT Target (Overtime)', default=0)
    ot_actual = fields.Integer(string='OT Actual', default=0)
    ot_defect = fields.Integer(string='OT Defect', default=0)
    
    # Cumulative Day Totals
    total_target = fields.Integer(string='Total Day Target', compute='_compute_totals', store=True)
    total_actual = fields.Integer(string='Total Day Output', compute='_compute_totals', store=True)
    total_defects = fields.Integer(string='Total Alterations / Defects', compute='_compute_totals', store=True)
    
    total_worked_hours = fields.Float(string='Total Hours Worked', default=8.0)
    efficiency_pct = fields.Float(string='Line Efficiency %', compute='_compute_efficiency', store=True)
    efficiency_badge = fields.Selection([
        ('excellent', 'Excellent (>=90%)'),
        ('good', 'Good (75%-89%)'),
        ('needs_attention', 'Below Target (<75%)'),
    ], string='Performance Rating', compute='_compute_efficiency', store=True)

    @api.depends('line_id', 'date')
    def _compute_name(self):
        for rec in self:
            line_name = rec.line_id.name if rec.line_id else 'Line'
            rec.name = f"{line_name} - {rec.date}"

    @api.onchange('line_id')
    def _onchange_line_id(self):
        if self.line_id:
            self.operators_present = self.line_id.operator_count

    @api.onchange('style_id')
    def _onchange_style_id(self):
        if self.style_id:
            self.sam = self.style_id.sam or 12.0

    @api.depends('h1_target', 'h2_target', 'h3_target', 'h4_target', 'h5_target', 'h6_target', 'h7_target', 'h8_target', 'ot_target',
                 'h1_actual', 'h2_actual', 'h3_actual', 'h4_actual', 'h5_actual', 'h6_actual', 'h7_actual', 'h8_actual', 'ot_actual',
                 'h1_defect', 'h2_defect', 'h3_defect', 'h4_defect', 'h5_defect', 'h6_defect', 'h7_defect', 'h8_defect', 'ot_defect')
    def _compute_totals(self):
        for rec in self:
            rec.total_target = (rec.h1_target + rec.h2_target + rec.h3_target + rec.h4_target +
                                rec.h5_target + rec.h6_target + rec.h7_target + rec.h8_target + rec.ot_target)
            rec.total_actual = (rec.h1_actual + rec.h2_actual + rec.h3_actual + rec.h4_actual +
                                rec.h5_actual + rec.h6_actual + rec.h7_actual + rec.h8_actual + rec.ot_actual)
            rec.total_defects = (rec.h1_defect + rec.h2_defect + rec.h3_defect + rec.h4_defect +
                                 rec.h5_defect + rec.h6_defect + rec.h7_defect + rec.h8_defect + rec.ot_defect)

    @api.depends('total_actual', 'sam', 'operators_present', 'total_worked_hours', 'working_minutes_per_hour')
    def _compute_efficiency(self):
        for rec in self:
            total_minutes = (rec.operators_present or 1) * (rec.total_worked_hours or 8.0) * (rec.working_minutes_per_hour or 60)
            produced_minutes = (rec.total_actual or 0) * (rec.sam or 1.0)
            if total_minutes > 0:
                eff = round((produced_minutes / total_minutes) * 100.0, 1)
            else:
                eff = 0.0
            rec.efficiency_pct = eff
            if eff >= 90.0:
                rec.efficiency_badge = 'excellent'
            elif eff >= 75.0:
                rec.efficiency_badge = 'good'
            else:
                rec.efficiency_badge = 'needs_attention'