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


class ClassHour(models.Model):
    """课时记录 - 记录教职工的授课课时"""
    _name = 'yuthon.class.hour'
    _description = '课时记录'
    _inherit = ['mail.thread', 'mail.activity.mixin']
    _order = 'date desc, id desc'

    name = fields.Char(string='课时编号', required=True, copy=False, readonly=True, default='新建')
    employee_id = fields.Many2one('hr.employee', string='授课教师', required=True)
    department_id = fields.Many2one('hr.department', string='所属部门', related='employee_id.department_id', store=True)
    
    # 授课信息
    date = fields.Date(string='授课日期', required=True, default=fields.Date.today)
    subject = fields.Char(string='科目', required=True)
    grade = fields.Char(string='年级/班级')
    class_type = fields.Selection([
        ('normal', '常规课'),
        ('overtime', '超课时'),
        ('weekend', '周末课'),
        ('holiday', '节假日课'),
        ('makeup', '补课'),
        ('exam', '考试监考'),
        ('activity', '课外活动'),
    ], string='课程类型', required=True, default='normal')
    
    # 课时计算
    hours = fields.Float(string='课时数', required=True, default=1.0)
    rate = fields.Float(string='课时费标准(元/课时)', required=True, default=0.0)
    amount = fields.Float(string='课时费金额', compute='_compute_amount', store=True)
    
    # 状态
    state = fields.Selection([
        ('draft', '草稿'),
        ('submitted', '已提交'),
        ('approved', '已确认'),
        ('paid', '已发薪'),
    ], string='状态', default='draft', tracking=True)
    
    # 关联薪资单
    salary_slip_id = fields.Many2one('yuthon.salary.slip', string='关联薪资单', readonly=True)
    
    note = fields.Text(string='备注')
    company_id = fields.Many2one('res.company', string='学校', default=lambda self: self.env.company)
    
    @api.depends('hours', 'rate')
    def _compute_amount(self):
        for record in self:
            record.amount = record.hours * record.rate
    
    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            if vals.get('name', '新建') == '新建':
                vals['name'] = self.env['ir.sequence'].next_by_code('yuthon.class.hour') or '新建'
        return super(ClassHour, self).create(vals_list)
    
    def action_submit(self):
        self.write({'state': 'submitted'})
    
    def action_approve(self):
        self.write({'state': 'approved'})
    
    def action_draft(self):
        self.write({'state': 'draft'})
    
    @api.onchange('employee_id', 'class_type')
    def _onchange_employee_class_type(self):
        if self.employee_id and self.employee_id.user_id:
            salary_record = self.env['yuthon.employee.salary'].search([
                ('employee_id', '=', self.employee_id.id),
                ('state', '=', 'active')
            ], limit=1, order='id desc')
            if salary_record:
                if self.class_type == 'normal':
                    self.rate = salary_record.class_hour_rate_normal
                elif self.class_type == 'overtime':
                    self.rate = salary_record.class_hour_rate_overtime
                elif self.class_type == 'weekend':
                    self.rate = salary_record.class_hour_rate_weekend
                elif self.class_type == 'holiday':
                    self.rate = salary_record.class_hour_rate_holiday