# -*- coding: utf-8 -*-
"""
DRF 序列化器。
"""
from rest_framework import serializers

from server.models import (
    BossAccount, TaskLog, RecruitFilterSnapshot, ChatScript, ContactRecord, SystemConfig,
    FollowUpConfig, FollowUpScript, FollowUpRecord
)


# ────────────────────────── 账号 ──────────────────────────

class BossAccountSerializer(serializers.ModelSerializer):
    """账号序列化器（读取用）。"""
    # 运行时补充的字段（非数据库字段）
    worker_name = serializers.CharField(read_only=True, default="")
    worker_online = serializers.BooleanField(read_only=True, default=False)

    class Meta:
        model = BossAccount
        fields = [
            "id", "worker_id", "browser_id", "browser_name",
            "boss_username", "boss_id", "is_logged_in",
            "current_task_id", "current_task_status",
            "checked_at", "created_at", "updated_at",
            "worker_name", "worker_online",
        ]


class AccountBindSerializer(serializers.Serializer):
    """添加账号请求。"""
    browser_name = serializers.CharField(max_length=128)
    worker_id = serializers.CharField(max_length=64)


# ────────────────────────── 任务 ──────────────────────────

class TaskCreateSerializer(serializers.Serializer):
    """提交任务请求。"""
    task_type = serializers.CharField(max_length=64)
    id = serializers.IntegerField(required=False, allow_null=True, default=None)  # 账号 ID
    account_id = serializers.IntegerField(required=False, allow_null=True, default=None)  # 同上，别名
    boss_id = serializers.CharField(max_length=64, required=False, allow_blank=True, default="")  # 即 /api/accounts 返回的 id（账号主键）
    worker_id = serializers.CharField(max_length=64, required=False, allow_blank=True, default="")
    account_name = serializers.CharField(max_length=128, required=False, allow_blank=True, default="")
    params = serializers.JSONField(required=False, default=dict)


class TaskOutSerializer(serializers.Serializer):
    """任务信息响应。"""
    task_id = serializers.CharField()
    task_type = serializers.CharField()
    status = serializers.CharField()
    worker_id = serializers.CharField(allow_null=True)
    account_name = serializers.CharField(allow_null=True)
    params = serializers.DictField()
    progress = serializers.CharField(allow_null=True)
    result = serializers.JSONField(allow_null=True)
    error = serializers.CharField(allow_null=True)
    created_at = serializers.CharField()
    updated_at = serializers.CharField()


# ────────────────────────── Worker ──────────────────────────

class BrowserProfileSerializer(serializers.Serializer):
    """浏览器窗口信息。"""
    id = serializers.CharField()
    name = serializers.CharField()
    remark = serializers.CharField()


class WorkerOutSerializer(serializers.Serializer):
    """Worker 信息响应。"""
    worker_id = serializers.CharField()
    worker_name = serializers.CharField()
    browsers = BrowserProfileSerializer(many=True)
    online = serializers.BooleanField()
    current_task_id = serializers.CharField(allow_null=True)


# ────────────────────────── 认证 ──────────────────────────

class LoginSerializer(serializers.Serializer):
    """登录请求。"""
    username = serializers.CharField(max_length=64)
    password = serializers.CharField(max_length=128)


# ────────────────────────── 话术 ──────────────────────────

class RecruitFilterSnapshotSerializer(serializers.ModelSerializer):
    class Meta:
        model = RecruitFilterSnapshot
        fields = "__all__"
        read_only_fields = ["id", "synced_at", "created_at"]


class ChatScriptSerializer(serializers.ModelSerializer):
    script_type_display = serializers.CharField(source="get_script_type_display", read_only=True)

    class Meta:
        model = ChatScript
        fields = "__all__"
        read_only_fields = ["id", "created_at", "updated_at"]


# ────────────────────────── 联系记录 ──────────────────────────

class ContactRecordSerializer(serializers.ModelSerializer):
    class Meta:
        model = ContactRecord
        fields = "__all__"
        read_only_fields = ["id", "created_at"]


# ────────────────────────── 系统配置 ──────────────────────────

class SystemConfigSerializer(serializers.ModelSerializer):
    class Meta:
        model = SystemConfig
        fields = "__all__"
        read_only_fields = ["updated_at"]

# ────────────────────────── 复聊配置 ──────────────────────────

class FollowUpScriptSerializer(serializers.ModelSerializer):
    """复聊话术序列化器。"""
    class Meta:
        model = FollowUpScript
        fields = "__all__"
        read_only_fields = ["id", "created_at"]


class FollowUpConfigSerializer(serializers.ModelSerializer):
    """复聊配置序列化器（包含关联的话术列表）。"""
    scripts = serializers.SerializerMethodField()
    
    class Meta:
        model = FollowUpConfig
        fields = "__all__"
        read_only_fields = ["id", "created_at", "updated_at"]
    
    def get_scripts(self, obj):
        """获取该配置下的所有话术。"""
        scripts = FollowUpScript.objects.filter(config_id=obj.id, is_active=True).order_by('day_number', 'order')
        return FollowUpScriptSerializer(scripts, many=True).data


class FollowUpRecordSerializer(serializers.ModelSerializer):
    """复聊记录序列化器。"""
    class Meta:
        model = FollowUpRecord
        fields = "__all__"
        read_only_fields = ["id", "sent_at"]