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


class SoongNote(models.Model):
    _name = 'soong.note'

    name = fields.Char(string="审批意见")
    sequence = fields.Char(string='序号', store=True)
    note_setting_id = fields.Many2one('soong.note.setting', string="意见类型")
    create_note = fields.Text(string="创建信息", readonly=True)
    write_note = fields.Text(string="修改信息", readonly=True)
    use_info = fields.Text(string="使用信息", readonly=True)
    use_count = fields.Integer(string="使用次数", default=0, readonly=True)

    def _get_tz_now(self):
        """返回东八区当前时间字符串"""
        tz = pytz.timezone('Asia/Shanghai')
        return datetime.now(pytz.utc).astimezone(tz).strftime('%Y-%m-%d %H:%M:%S')

    @api.model_create_multi
    def create(self, vals_list):
        now = self._get_tz_now()
        user_name = self.env.user.name
        for vals in vals_list:
            note_name = vals.get('name', '')
            line = f"{user_name} {now} {note_name}"
            vals['create_note'] = line
            vals['write_note'] = line
            vals['use_count'] = 1
        return super().create(vals_list)

    def write(self, vals):
        now = self._get_tz_now()
        user_name = self.env.user.name
        _TRACK_FIELDS = {'create_note', 'write_note', 'use_info'}
        for rec in self:
            vals_copy = dict(vals)
            # 有信息字段变化时追加 write_note 并计数
            if 'name' in vals or not (_TRACK_FIELDS & set(vals)):
                note_name = vals.get('name', rec.name or '')
                line = f"{user_name} {now} {note_name}"
                old = rec.write_note or ''
                vals_copy['write_note'] = (old + '\n' + line) if old else line
            # 统计本次写入中有多少跟踪字段发生变化
            changed = len(_TRACK_FIELDS & set(vals_copy))
            if changed > 0:
                vals_copy['use_count'] = (rec.use_count or 0) + changed
            super(SoongNote, rec).write(vals_copy)
        return True

    def action_open_form(self):
        """详情按钮：以 target=new 方式打开 form"""
        self.ensure_one()
        return {
            'type': 'ir.actions.act_window',
            'name': '审批意见详情',
            'res_model': 'soong.note',
            'res_id': self.id,
            'view_mode': 'form',
            'target': 'new',
        }

    def action_reset(self):
        """重置按钮：清空使用次数、创建信息、修改信息、使用信息"""
        for rec in self:
            super(SoongNote, rec).write({
                'use_count': 0,
                'create_note': False,
                'write_note': False,
                'use_info': False,
            })
        return True

    # type = fields.Selection([('agree', '同意'), ('return', '退回'), ('refuse', '拒绝'), ('super', '督办')],
    #                         string="意见类型")
    # return_type = fields.Char(string="退回类型")