from odoo import models, fields, api
from odoo.exceptions import ValidationError


class IssueTicket(models.Model):
    _name = "issue.ticket"
    _description = "问题单"
    _inherit = ["mail.thread", "mail.activity.mixin"]
    _order = "priority desc, create_date desc"

    name = fields.Char(string="问题标题", required=True, tracking=True)
    description = fields.Text(string="问题描述")
    reporter_id = fields.Many2one(
        "res.users", string="报告人", default=lambda self: self.env.user
    )
    assigned_id = fields.Many2one("res.users", string="负责人", tracking=True)
    priority = fields.Selection(
        [("0", "低"), ("1", "普通"), ("2", "高"), ("3", "紧急")],
        default="1",
        string="优先级",
        tracking=True,
    )
    state = fields.Selection(
        [
            ("draft", "草稿"),
            ("open", "已打开"),
            ("in_progress", "处理中"),
            ("done", "已解决"),
            ("cancelled", "已取消"),
        ],
        default="draft",
        string="状态",
        tracking=True,
    )
    deadline = fields.Date(string="截止日期")
    tag_ids = fields.Many2many("issue.ticket.tag", string="标签")
    work_end = fields.Boolean(string="工作结束", default=False, tracking=True)
    remark = fields.Html(string="备注")
    # 新增：问题明细关联
    line_ids = fields.One2many(
        "issue.ticket.detail", "ticket_id", string="问题明细", copy=True
    )
    reproduce_steps = fields.Selection(
        [
            ("step_1", "步骤 1: 打开应用程序"),
            ("step_2", "步骤 2: 点击“提交”按钮"),
            ("step_3", "步骤 3: 等待错误提示"),
        ],
        string="选择复现步骤",
        help="选择一个常见的复现步骤，或者在下方文本框中详细描述",
    )

    detailed_reproduce_steps = fields.Text(
        string="详细复现步骤", help="请详细描述复现步骤，包含详细操作及截图（如有）"
    )

    @api.constrains("deadline")
    def _check_deadline(self):
        for rec in self:
            if rec.deadline and rec.deadline < fields.Date.today():
                raise ValidationError("截止日期不能早于今天。")

    def action_set_draft(self):
        self.state = "draft"