"""PostgreSQL 渠道网关模型 - 渠道绑定、出站重试、消息审计日志、插件注册"""

from sqlalchemy import (
    JSON,
    Boolean,
    Column,
    DateTime,
    ForeignKey,
    Integer,
    String,
    Text,
    UniqueConstraint,
)
from yuxi.storage.postgres.models_business import Base
from yuxi.utils.datetime_utils import format_utc_datetime, utc_now_naive


class ChannelBinding(Base):
    """渠道 Agent 绑定路由表 — Worker Step 3 查询，决定消息路由到哪个 Agent"""

    __tablename__ = "channel_bindings"

    id = Column(Integer, primary_key=True, autoincrement=True, comment="主键")
    channel_type = Column(String(20), nullable=False, index=True, comment="渠道类型: feishu/dingtalk/hooks")
    account_id = Column(String(64), nullable=False, default="", comment="渠道账户标识")
    group_id = Column(String(128), nullable=False, default="", comment="群组标识，DM 为空字符串")
    agent_config_id = Column(Integer, ForeignKey("agent_configs.id"), nullable=False, comment="绑定的 Agent 配置 ID")
    session_key_strategy = Column(String(20), nullable=False, default="auto", comment="会话键策略: auto/main/channel_group/custom")
    is_enabled = Column(Boolean, nullable=False, default=True, index=True, comment="是否启用")

    created_by = Column(String(64), nullable=True)
    updated_by = Column(String(64), nullable=True)
    created_at = Column(DateTime, nullable=False, default=utc_now_naive, comment="创建时间")
    updated_at = Column(DateTime, nullable=False, default=utc_now_naive, onupdate=utc_now_naive, comment="更新时间")
    is_deleted = Column(Integer, nullable=False, default=0, index=True, comment="软删除标记: 0=否, 1=是")
    deleted_at = Column(DateTime, nullable=True, comment="删除时间")

    __table_args__ = (
        UniqueConstraint("channel_type", "account_id", "group_id", name="uq_channel_binding"),
    )

    def to_dict(self):
        return {
            "id": self.id,
            "channel_type": self.channel_type,
            "account_id": self.account_id,
            "group_id": self.group_id,
            "agent_config_id": self.agent_config_id,
            "session_key_strategy": self.session_key_strategy,
            "is_enabled": bool(self.is_enabled),
            "created_by": self.created_by,
            "updated_by": self.updated_by,
            "created_at": format_utc_datetime(self.created_at),
            "updated_at": format_utc_datetime(self.updated_at),
            "is_deleted": self.is_deleted,
            "deleted_at": format_utc_datetime(self.deleted_at),
        }


class ChannelOutbox(Base):
    """出站消息重试队列 — 适配器发送失败后持久化，OutboxRetryWorker 按指数退避重试"""

    __tablename__ = "channel_outbox"

    id = Column(Integer, primary_key=True, autoincrement=True, comment="主键")
    message_id = Column(String(64), nullable=False, index=True, comment="关联的原始消息 ID")
    session_id = Column(String(64), nullable=False, index=True, comment="会话 ID (thread_id)")
    channel_type = Column(String(20), nullable=False, index=True, comment="目标渠道类型")
    content = Column(Text, nullable=False, comment="待发送内容 (标准 Markdown)")
    status = Column(
        String(20), nullable=False, default="pending", index=True,
        comment="状态: pending/retrying/sent/failed/dead",
    )
    retry_count = Column(Integer, nullable=False, default=0, comment="已重试次数")
    max_retries = Column(Integer, nullable=False, default=5, comment="最大重试次数")
    next_retry_at = Column(DateTime, nullable=True, index=True, comment="下次重试时间")
    last_error = Column(Text, nullable=True, comment="最后一次发送错误信息")
    trace_id = Column(String(64), nullable=True, index=True, comment="链路追踪 ID")
    extra_metadata = Column(JSON, nullable=True, comment="扩展元数据")

    created_by = Column(String(64), nullable=True)
    updated_by = Column(String(64), nullable=True)
    created_at = Column(DateTime, nullable=False, default=utc_now_naive, comment="创建时间")
    updated_at = Column(DateTime, nullable=False, default=utc_now_naive, onupdate=utc_now_naive, comment="更新时间")
    is_deleted = Column(Integer, nullable=False, default=0, index=True, comment="软删除标记: 0=否, 1=是")
    deleted_at = Column(DateTime, nullable=True, comment="删除时间")

    def to_dict(self):
        return {
            "id": self.id,
            "message_id": self.message_id,
            "session_id": self.session_id,
            "channel_type": self.channel_type,
            "content": self.content,
            "status": self.status,
            "retry_count": self.retry_count,
            "max_retries": self.max_retries,
            "next_retry_at": format_utc_datetime(self.next_retry_at),
            "last_error": self.last_error,
            "trace_id": self.trace_id,
            "extra_metadata": self.extra_metadata or {},
            "created_by": self.created_by,
            "updated_by": self.updated_by,
            "created_at": format_utc_datetime(self.created_at),
            "updated_at": format_utc_datetime(self.updated_at),
            "is_deleted": self.is_deleted,
            "deleted_at": format_utc_datetime(self.deleted_at),
        }


class ChannelMessageLog(Base):
    """渠道消息审计日志 — 记录入站/出站消息处理轨迹，支持 trace_id 链路追踪"""

    __tablename__ = "channel_message_logs"

    id = Column(Integer, primary_key=True, autoincrement=True, comment="主键")
    trace_id = Column(String(64), nullable=False, index=True, comment="链路追踪 ID")
    message_id = Column(String(64), nullable=False, index=True, comment="消息 ID")
    channel_type = Column(String(20), nullable=False, index=True, comment="渠道类型")
    conversation_id = Column(Integer, nullable=True, index=True, comment="关联的 Conversation ID")
    session_id = Column(String(64), nullable=True, index=True, comment="会话 ID")
    direction = Column(String(10), nullable=False, index=True, comment="方向: inbound/outbound")
    sender_id = Column(String(64), nullable=True, comment="发送者 ID")
    content_summary = Column(String(500), nullable=True, comment="内容摘要（前 500 字符）")
    agent_config_id = Column(Integer, nullable=True, index=True, comment="Agent 配置 ID")
    status = Column(String(20), nullable=False, default="received", index=True, comment="处理状态")
    pipeline_result = Column(String(20), nullable=True, comment="管道处理结果: accepted/aborted/skipped")
    abort_reason = Column(String(64), nullable=True, comment="管道中止原因码")
    worker_result = Column(String(20), nullable=True, comment="Worker 处理结果")
    error_message = Column(Text, nullable=True, comment="错误信息")
    processing_time_ms = Column(Integer, nullable=True, comment="总处理耗时（毫秒）")
    extra_metadata = Column(JSON, nullable=True, comment="扩展元数据")

    created_by = Column(String(64), nullable=True)
    updated_by = Column(String(64), nullable=True)
    created_at = Column(DateTime, nullable=False, default=utc_now_naive, comment="创建时间")
    updated_at = Column(DateTime, nullable=False, default=utc_now_naive, onupdate=utc_now_naive, comment="更新时间")
    is_deleted = Column(Integer, nullable=False, default=0, index=True, comment="软删除标记: 0=否, 1=是")
    deleted_at = Column(DateTime, nullable=True, comment="删除时间")

    def to_dict(self):
        return {
            "id": self.id,
            "trace_id": self.trace_id,
            "message_id": self.message_id,
            "channel_type": self.channel_type,
            "conversation_id": self.conversation_id,
            "session_id": self.session_id,
            "direction": self.direction,
            "sender_id": self.sender_id,
            "content_summary": self.content_summary,
            "agent_config_id": self.agent_config_id,
            "status": self.status,
            "pipeline_result": self.pipeline_result,
            "abort_reason": self.abort_reason,
            "worker_result": self.worker_result,
            "error_message": self.error_message,
            "processing_time_ms": self.processing_time_ms,
            "extra_metadata": self.extra_metadata or {},
            "created_by": self.created_by,
            "updated_by": self.updated_by,
            "created_at": format_utc_datetime(self.created_at),
            "updated_at": format_utc_datetime(self.updated_at),
            "is_deleted": self.is_deleted,
            "deleted_at": format_utc_datetime(self.deleted_at),
        }


class ChannelPlugin(Base):
    """渠道插件注册表 — 存储插件元数据、状态与配置

    对应领域模型：PluginRecord 实体
    覆盖来源：workspace(本地开发) + installed(第三方安装)
    bundled(内置) 插件不入库，由代码自动注册
    """

    __tablename__ = "channel_plugins"

    id = Column(Integer, primary_key=True, autoincrement=True, comment="主键")
    plugin_id = Column(String(64), nullable=False, unique=True, index=True, comment="插件唯一标识")
    name = Column(String(128), nullable=False, comment="插件显示名称")
    version = Column(String(32), nullable=False, default="0.0.0", comment="插件版本号")
    channel_type = Column(String(64), nullable=False, index=True, comment="渠道类型标识")
    origin = Column(String(32), nullable=False, comment="来源: bundled/workspace/installed")
    status = Column(String(32), nullable=False, default="discovered", comment="状态: discovered/registered/configured/active/error/disabled")
    root_dir = Column(String(512), nullable=True, comment="插件根目录路径")
    entry_file = Column(String(512), nullable=True, comment="入口文件路径")
    manifest = Column(JSON, nullable=True, comment="完整插件清单(yuxi.plugin.yaml内容)")
    capabilities = Column(JSON, nullable=True, comment="渠道能力声明")
    config_schema = Column(JSON, nullable=True, comment="配置校验schema")
    config = Column(JSON, nullable=True, default=dict, comment="当前生效配置")
    error = Column(Text, nullable=True, comment="错误信息")
    is_enabled = Column(Boolean, nullable=False, default=True, index=True, comment="是否启用")
    registered_at = Column(DateTime, nullable=True, comment="注册时间")
    activated_at = Column(DateTime, nullable=True, comment="最后激活时间")

    created_by = Column(String(64), nullable=True)
    updated_by = Column(String(64), nullable=True)
    created_at = Column(DateTime, nullable=False, default=utc_now_naive, comment="创建时间")
    updated_at = Column(DateTime, nullable=False, default=utc_now_naive, onupdate=utc_now_naive, comment="更新时间")
    is_deleted = Column(Integer, nullable=False, default=0, index=True, comment="软删除标记: 0=否, 1=是")
    deleted_at = Column(DateTime, nullable=True, comment="删除时间")

    def to_dict(self):
        return {
            "id": self.id,
            "plugin_id": self.plugin_id,
            "name": self.name,
            "version": self.version,
            "channel_type": self.channel_type,
            "origin": self.origin,
            "status": self.status,
            "root_dir": self.root_dir,
            "entry_file": self.entry_file,
            "manifest": self.manifest or {},
            "capabilities": self.capabilities or {},
            "config_schema": self.config_schema or {},
            "config": self.config or {},
            "error": self.error,
            "is_enabled": bool(self.is_enabled),
            "registered_at": format_utc_datetime(self.registered_at),
            "activated_at": format_utc_datetime(self.activated_at),
            "created_by": self.created_by,
            "updated_by": self.updated_by,
            "created_at": format_utc_datetime(self.created_at),
            "updated_at": format_utc_datetime(self.updated_at),
            "is_deleted": self.is_deleted,
            "deleted_at": format_utc_datetime(self.deleted_at),
        }


class ChannelPluginConfigHistory(Base):
    """插件配置历史表 — 记录配置变更，支持回滚

    对应领域事件：PluginConfiguredEvent
    生命周期：每次调用 set_config() 时写入一条记录
    """

    __tablename__ = "channel_plugin_config_history"

    id = Column(Integer, primary_key=True, autoincrement=True, comment="主键")
    plugin_id = Column(String(64), nullable=False, index=True, comment="插件标识")
    config = Column(JSON, nullable=False, comment="配置快照")
    changed_by = Column(String(128), nullable=True, comment="变更人")
    change_reason = Column(String(255), nullable=True, comment="变更原因")

    created_by = Column(String(64), nullable=True)
    updated_by = Column(String(64), nullable=True)
    created_at = Column(DateTime, nullable=False, default=utc_now_naive, comment="创建时间")
    updated_at = Column(DateTime, nullable=False, default=utc_now_naive, onupdate=utc_now_naive, comment="更新时间")
    is_deleted = Column(Integer, nullable=False, default=0, index=True, comment="软删除标记: 0=否, 1=是")
    deleted_at = Column(DateTime, nullable=True, comment="删除时间")

    def to_dict(self):
        return {
            "id": self.id,
            "plugin_id": self.plugin_id,
            "config": self.config or {},
            "changed_by": self.changed_by,
            "change_reason": self.change_reason,
            "created_by": self.created_by,
            "updated_by": self.updated_by,
            "created_at": format_utc_datetime(self.created_at),
            "updated_at": format_utc_datetime(self.updated_at),
            "is_deleted": self.is_deleted,
            "deleted_at": format_utc_datetime(self.deleted_at),
        }


class ChannelPluginAuditLog(Base):
    """插件操作审计日志 — 记录插件生命周期关键操作

    对应领域事件：PluginRegisteredEvent / PluginActivatedEvent /
                 PluginDeactivatedEvent / PluginReloadEvent
    """

    __tablename__ = "channel_plugin_audit_logs"

    id = Column(Integer, primary_key=True, autoincrement=True, comment="主键")
    plugin_id = Column(String(64), nullable=False, index=True, comment="插件标识")
    action = Column(String(32), nullable=False, comment="操作: register/activate/deactivate/reload/error")
    old_status = Column(String(32), nullable=True, comment="操作前状态")
    new_status = Column(String(32), nullable=True, comment="操作后状态")
    old_version = Column(String(32), nullable=True, comment="操作前版本（重载场景）")
    new_version = Column(String(32), nullable=True, comment="操作后版本（重载场景）")
    detail = Column(JSON, nullable=True, comment="操作详情")
    error_message = Column(Text, nullable=True, comment="错误信息")

    created_by = Column(String(64), nullable=True)
    updated_by = Column(String(64), nullable=True)
    created_at = Column(DateTime, nullable=False, default=utc_now_naive, comment="创建时间")
    updated_at = Column(DateTime, nullable=False, default=utc_now_naive, onupdate=utc_now_naive, comment="更新时间")
    is_deleted = Column(Integer, nullable=False, default=0, index=True, comment="软删除标记: 0=否, 1=是")
    deleted_at = Column(DateTime, nullable=True, comment="删除时间")

    def to_dict(self):
        return {
            "id": self.id,
            "plugin_id": self.plugin_id,
            "action": self.action,
            "old_status": self.old_status,
            "new_status": self.new_status,
            "old_version": self.old_version,
            "new_version": self.new_version,
            "detail": self.detail or {},
            "error_message": self.error_message,
            "created_by": self.created_by,
            "updated_by": self.updated_by,
            "created_at": format_utc_datetime(self.created_at),
            "updated_at": format_utc_datetime(self.updated_at),
            "is_deleted": self.is_deleted,
            "deleted_at": format_utc_datetime(self.deleted_at),
        }