# -*- coding: utf-8 -*-
"""
数据模型：Django ORM 表模型 + Pydantic 内存模型。
"""
from __future__ import annotations

import time
import uuid
from typing import Any, Dict, List, Optional

from django.db import models
from pydantic import BaseModel, Field

from common.protocol import TaskStatus, TaskType


# ══════════════════════════════════════════════════════════════
#  Django ORM 模型
# ══════════════════════════════════════════════════════════════

class BossAccount(models.Model):
    """BOSS 账号登录状态表。"""
    worker_id = models.CharField(max_length=64, verbose_name="Worker 标识")
    browser_id = models.CharField(max_length=128, default="", verbose_name="比特浏览器窗口 ID")
    browser_name = models.CharField(max_length=128, default="", verbose_name="比特浏览器窗口名称（环境名）")
    boss_username = models.CharField(max_length=128, default="", verbose_name="BOSS 直聘用户名")
    boss_id = models.CharField(max_length=64, default="", blank=True, verbose_name="BOSS 直聘用户 ID")
    is_logged_in = models.BooleanField(default=False, verbose_name="是否已登录")
    current_task_id = models.CharField(max_length=32, null=True, blank=True, verbose_name="当前检测任务 ID")
    current_task_status = models.CharField(max_length=32, null=True, blank=True, verbose_name="当前检测任务状态")
    checked_at = models.DateTimeField(null=True, blank=True, verbose_name="最近一次检测时间")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")

    class Meta:
        db_table = "boss_account"
        unique_together = [("worker_id", "browser_id")]
        verbose_name = "BOSS 账号"
        verbose_name_plural = verbose_name

    def __str__(self):
        return f"{self.browser_name}@{self.worker_id}"


class TaskLog(models.Model):
    """任务执行记录表。"""
    task_id = models.CharField(max_length=32, unique=True, verbose_name="任务 ID")
    task_type = models.CharField(max_length=64, verbose_name="任务类型")
    worker_id = models.CharField(max_length=64, default="", verbose_name="执行的 Worker")
    status = models.CharField(max_length=32, default="", verbose_name="最终状态")
    params = models.JSONField(null=True, blank=True, verbose_name="任务参数")
    result = models.JSONField(null=True, blank=True, verbose_name="任务结果")
    error = models.TextField(null=True, blank=True, verbose_name="错误信息")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")

    class Meta:
        db_table = "task_log"
        verbose_name = "任务日志"
        verbose_name_plural = verbose_name

    def __str__(self):
        return f"{self.task_id} ({self.task_type})"


class Task(models.Model):
    """
    任务表（数据库为唯一真相）。
    - 所有任务的生命周期状态均保存在此表中；
    - 内存中不再长期保存任务状态，只作为必要的临时变量。
    """

    task_id = models.CharField(max_length=32, unique=True, verbose_name="任务 ID")
    task_type = models.CharField(max_length=64, verbose_name="任务类型")
    worker_id = models.CharField(max_length=64, default="", verbose_name="执行的 Worker")
    account_name = models.CharField(max_length=128, default="", blank=True, verbose_name="账号（环境名称）")
    status = models.CharField(max_length=32, default="", verbose_name="当前状态")
    params = models.JSONField(null=True, blank=True, verbose_name="任务参数")
    progress = models.TextField(null=True, blank=True, verbose_name="进度信息")
    result = models.JSONField(null=True, blank=True, verbose_name="任务结果")
    error = models.TextField(null=True, blank=True, verbose_name="错误信息")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")

    class Meta:
        db_table = "task"
        verbose_name = "任务"
        verbose_name_plural = verbose_name

    def __str__(self):
        return f"{self.task_id} ({self.task_type})"


class AuthToken(models.Model):
    """登录 token 表：每个用户名仅保留当前有效 token。"""
    username = models.CharField(max_length=64, unique=True, verbose_name="用户名")
    token = models.CharField(max_length=64, verbose_name="当前有效 token")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")

    class Meta:
        db_table = "auth_token"
        verbose_name = "登录 Token"
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.username


class FilterConfig(models.Model):
    """筛选条件配置表。"""
    name = models.CharField(max_length=128, verbose_name="配置名称")
    position_keywords = models.CharField(max_length=512, default="", blank=True, verbose_name="岗位关键词列表")
    city = models.CharField(max_length=64, default="", blank=True, verbose_name="城市")
    salary_min = models.CharField(max_length=32, default="", blank=True, verbose_name="最低薪资(K)")
    salary_max = models.CharField(max_length=32, default="", blank=True, verbose_name="最高薪资(K)")
    experience = models.CharField(max_length=64, default="", blank=True, verbose_name="工作经验")
    education = models.CharField(max_length=32, default="不限", verbose_name="学历要求")
    is_active = models.BooleanField(default=True, verbose_name="是否启用")
    # 以下为兼容旧版保留字段
    age_min = models.IntegerField(default=18, verbose_name="最小年龄")
    age_max = models.IntegerField(default=60, verbose_name="最大年龄")
    gender = models.CharField(max_length=32, default="不限", verbose_name="性别")
    activity = models.CharField(max_length=32, default="不限", verbose_name="活跃度")
    positions = models.JSONField(default=list, blank=True, verbose_name="期望岗位列表")
    greeting_min = models.IntegerField(default=5, verbose_name="打招呼最少条数/天")
    greeting_max = models.IntegerField(default=20, verbose_name="打招呼最多条数/天")
    rest_minutes = models.IntegerField(default=30, verbose_name="每轮休息分钟")
    collection_min = models.IntegerField(default=10, verbose_name="收藏最少个数/天")
    collection_max = models.IntegerField(default=50, verbose_name="收藏最多个数/天")
    message_interval = models.IntegerField(default=30, verbose_name="打招呼间隔秒")
    min_amount = models.IntegerField(null=True, blank=True, verbose_name="最小金额")
    max_amount = models.IntegerField(null=True, blank=True, verbose_name="最大金额")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")

    class Meta:
        db_table = "filter_config"
        verbose_name = "筛选配置"
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.name


class RecruitFilterSnapshot(models.Model):
    """Per-account site filter snapshot fetched from zhipin recommend page."""

    worker_id = models.CharField(max_length=64, default="", db_index=True, verbose_name="Worker ID")
    account_name = models.CharField(max_length=128, default="", db_index=True, verbose_name="环境名称")
    browser_id = models.CharField(max_length=128, default="", blank=True, verbose_name="浏览器 ID")
    groups = models.JSONField(default=list, blank=True, verbose_name="筛选分组")
    flat_options = models.JSONField(default=list, blank=True, verbose_name="扁平筛选项")
    raw_payload = models.JSONField(default=dict, blank=True, verbose_name="原始筛选数据")
    synced_at = models.DateTimeField(auto_now=True, verbose_name="同步时间")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")

    class Meta:
        db_table = "recruit_filter_snapshot"
        unique_together = [("worker_id", "account_name")]
        verbose_name = "招聘筛选快照"
        verbose_name_plural = verbose_name

    def __str__(self):
        return f"{self.account_name}@{self.worker_id}"


class ChatScript(models.Model):
    """复聊话术表。"""
    SCRIPT_TYPE_CHOICES = [
        ("first", "首次回复"),
        ("followup", "跟进回复"),
        ("wechat", "微信交换"),
        ("closing", "结束语"),
    ]
    position = models.CharField(max_length=64, verbose_name="岗位类型")
    script_type = models.CharField(max_length=32, choices=SCRIPT_TYPE_CHOICES, verbose_name="话术类型")
    content = models.TextField(verbose_name="话术内容")
    keywords = models.CharField(max_length=256, default="", blank=True, verbose_name="触发关键词（逗号分隔）")
    is_active = models.BooleanField(default=True, verbose_name="是否启用")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")

    class Meta:
        db_table = "chat_script"
        verbose_name = "复聊话术"
        verbose_name_plural = verbose_name

    def __str__(self):
        return f"{self.position} - {self.get_script_type_display()}"


class ContactRecord(models.Model):
    """联系人记录表（招聘过程中联系过的候选人）。"""
    name = models.CharField(max_length=64, verbose_name="姓名")
    position = models.CharField(max_length=64, default="", verbose_name="岗位")
    contact = models.CharField(max_length=64, default="", verbose_name="联系方式")
    reply_status = models.CharField(max_length=32, default="未回复", verbose_name="回复状态")
    wechat_exchanged = models.BooleanField(default=False, verbose_name="是否交换微信")
    account_id = models.IntegerField(null=True, blank=True, verbose_name="关联账号 ID")
    worker_id = models.CharField(max_length=64, default="", verbose_name="Worker 标识")
    notes = models.TextField(default="", blank=True, verbose_name="备注")
    contacted_at = models.DateTimeField(null=True, blank=True, verbose_name="联系时间")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")

    class Meta:
        db_table = "contact_record"
        verbose_name = "联系记录"
        verbose_name_plural = verbose_name
        ordering = ["-created_at"]

    def __str__(self):
        return f"{self.name} ({self.position})"


class SystemConfig(models.Model):
    """系统配置键值表。"""
    key = models.CharField(max_length=64, unique=True, verbose_name="配置项")
    value = models.TextField(default="", verbose_name="配置值")
    description = models.CharField(max_length=256, default="", blank=True, verbose_name="描述")
    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")

    class Meta:
        db_table = "system_config"
        verbose_name = "系统配置"
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.key


class FollowUpConfig(models.Model):
    """复聊配置表。"""
    name = models.CharField(max_length=128, verbose_name="配置名称")
    position = models.CharField(max_length=64, verbose_name="岗位类型")
    is_active = models.BooleanField(default=True, verbose_name="是否启用")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")

    class Meta:
        db_table = "follow_up_config"
        verbose_name = "复聊配置"
        verbose_name_plural = verbose_name

    def __str__(self):
        return f"{self.name} ({self.position})"


class FollowUpScript(models.Model):
    """复聊话术表（支持多轮回复）。"""
    config_id = models.IntegerField(verbose_name="关联的复聊配置ID")
    day_number = models.IntegerField(verbose_name="第几天（1=第一天，2=第二天，0=往后一直）")
    content = models.TextField(verbose_name="话术内容")
    interval_hours = models.IntegerField(default=24, verbose_name="间隔小时数")
    order = models.IntegerField(default=0, verbose_name="排序")
    is_active = models.BooleanField(default=True, verbose_name="是否启用")
    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")

    class Meta:
        db_table = "follow_up_script"
        verbose_name = "复聊话术"
        verbose_name_plural = verbose_name
        ordering = ['config_id', 'day_number', 'order']

    def __str__(self):
        return f"第{self.day_number}天 - {self.content[:20]}"


class FollowUpRecord(models.Model):
    """复聊记录表（记录每次发送的话术和回复）。"""
    contact_id = models.IntegerField(verbose_name="关联的联系人ID")
    config_id = models.IntegerField(verbose_name="使用的复聊配置ID")
    script_id = models.IntegerField(verbose_name="使用的话术ID")
    day_number = models.IntegerField(verbose_name="第几天")
    content = models.TextField(verbose_name="发送的内容")
    sent_at = models.DateTimeField(auto_now_add=True, verbose_name="发送时间")
    got_reply = models.BooleanField(default=False, verbose_name="是否得到回复")
    reply_content = models.TextField(default="", blank=True, verbose_name="回复内容")
    replied_at = models.DateTimeField(null=True, blank=True, verbose_name="回复时间")

    class Meta:
        db_table = "follow_up_record"
        verbose_name = "复聊记录"
        verbose_name_plural = verbose_name
        ordering = ['-sent_at']

    def __str__(self):
        return f"联系人{self.contact_id} - 第{self.day_number}天"


# ══════════════════════════════════════════════════════════════
#  Pydantic 内存模型（非数据库，用于 Worker 运行时状态与任务调度）
# ══════════════════════════════════════════════════════════════

# ─── Worker ───

class BrowserProfile(BaseModel):
    """比特浏览器窗口信息（Worker 上报）。"""
    id: str
    name: str = ""
    remark: str = ""


class WorkerInfo(BaseModel):
    """一台 Worker 的运行时信息（内存中保存）。"""
    worker_id: str
    worker_name: str = ""
    browsers: List[BrowserProfile] = []
    online: bool = True
    last_heartbeat: float = Field(default_factory=time.time)
    connected_at: float = Field(default_factory=time.time)
    current_task_id: Optional[str] = None


# ─── Task ───

class TaskCreate(BaseModel):
    """前端提交任务的请求体（也用于内部创建任务）。"""
    task_type: TaskType
    worker_id: Optional[str] = None
    account_name: Optional[str] = None
    params: Dict[str, Any] = {}


class TaskInfo(BaseModel):
    """任务完整信息（内存中保存）。"""
    task_id: str = Field(default_factory=lambda: uuid.uuid4().hex[:12])
    task_type: TaskType
    status: TaskStatus = TaskStatus.PENDING
    worker_id: Optional[str] = None
    account_name: Optional[str] = None
    params: Dict[str, Any] = {}
    progress: Optional[str] = None
    result: Any = None
    error: Optional[str] = None
    created_at: float = Field(default_factory=time.time)
    updated_at: float = Field(default_factory=time.time)