from sqlalchemy import Column, String, Text, DateTime, Integer, Boolean, ForeignKey, JSON
from sqlalchemy.orm import relationship
from datetime import datetime, timezone
from database import Base


class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, autoincrement=True)
    username = Column(String, unique=True, nullable=False)
    email = Column(String, unique=True, nullable=True)
    password_hash = Column(String, nullable=False)
    display_name = Column(String, default="")
    role = Column(String, default="user")  # admin or user
    llm_config = Column(JSON, default=dict)  # user's own LLM provider config
    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))

    instances = relationship("AgentInstance", back_populates="user")


class AgentCatalog(Base):
    __tablename__ = "agent_catalog"

    id = Column(String, primary_key=True)
    name = Column(String, nullable=False)
    description = Column(Text, default="")
    category = Column(String, default="utility")  # data, briefing, utility
    config_schema = Column(JSON, default=dict)
    default_config = Column(JSON, default=dict)
    supports_schedule = Column(Boolean, default=True)
    is_sub_agent = Column(Boolean, default=False)
    requires_llm = Column(Boolean, default=False)
    result_schema = Column(JSON, default=dict)  # shape of the agent's structured result

    instances = relationship("AgentInstance", back_populates="catalog_entry")


class AgentInstance(Base):
    __tablename__ = "agent_instances"

    id = Column(Integer, primary_key=True, autoincrement=True)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    catalog_id = Column(String, ForeignKey("agent_catalog.id"), nullable=False)
    name = Column(String, nullable=False)
    config = Column(JSON, default=dict)
    schedule = Column(String, default="manual")
    status = Column(String, default="active")
    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))

    user = relationship("User", back_populates="instances")
    catalog_entry = relationship("AgentCatalog", back_populates="instances")
    runs = relationship("Run", back_populates="instance", order_by="Run.started_at.desc()")


class Run(Base):
    __tablename__ = "runs"

    id = Column(Integer, primary_key=True, autoincrement=True)
    instance_id = Column(Integer, ForeignKey("agent_instances.id"), nullable=False)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    started_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))
    finished_at = Column(DateTime, nullable=True)
    status = Column(String, default="running")
    output = Column(Text, default="")  # markdown rendering (for wiki)
    result = Column(JSON, nullable=True)  # structured data for API consumers
    error = Column(Text, default="")
    metadata_ = Column("metadata", JSON, default=dict)
    triggered_by = Column(String, default="")  # "user:eric", "api_client:synap", "cron"

    instance = relationship("AgentInstance", back_populates="runs")


class Bridge(Base):
    __tablename__ = "bridges"

    id = Column(Integer, primary_key=True, autoincrement=True)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    api_key = Column(String, nullable=False)  # Auth token for bridge requests
    bridge_url = Column(String, default="")  # http://ip:port
    hostname = Column(String, default="")  # e.g. "Jungbauers-MBP"
    platform = Column(String, default="macos")  # macos, ios (future)
    capabilities = Column(JSON, default=list)  # ["notes", "reading-list"]
    status = Column(String, default="offline")  # online, offline
    last_heartbeat = Column(DateTime, nullable=True)
    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))

    user = relationship("User")


class RouteLog(Base):
    __tablename__ = "route_log"

    id = Column(Integer, primary_key=True, autoincrement=True)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    request_text = Column(Text, nullable=False)
    recommended_agent = Column(String, default="")
    action = Column(String, default="")
    reasoning = Column(Text, default="")
    outcome = Column(String, default="pending")  # pending, accepted, rejected, success, failed
    metadata_ = Column("metadata", JSON, default=dict)
    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))


class LLMProvider(Base):
    __tablename__ = "llm_providers"

    id = Column(Integer, primary_key=True, autoincrement=True)
    name = Column(String, nullable=False)
    provider_type = Column(String, default="anthropic")  # anthropic, openai, litellm, ollama
    api_url = Column(String, default="")
    api_key = Column(String, default="")
    default_model = Column(String, default="")
    is_default = Column(Boolean, default=False)


class APIClient(Base):
    """App-level API client. Each external app (Synap, WSIT, etc.) gets one.
    Scoped to specific agent instances — see APIClientScope."""
    __tablename__ = "api_clients"

    id = Column(Integer, primary_key=True, autoincrement=True)
    name = Column(String, nullable=False, unique=True)  # "Synap", "WSIT"
    token_hash = Column(String, nullable=False, unique=True)  # SHA-256 of the plaintext token
    token_prefix = Column(String, default="")  # first 8 chars of token, shown in admin UI
    description = Column(Text, default="")
    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))
    last_used_at = Column(DateTime, nullable=True)
    revoked_at = Column(DateTime, nullable=True)

    scopes = relationship("APIClientScope", back_populates="client", cascade="all, delete-orphan")


class APIClientScope(Base):
    """Join table: which instances can an API client trigger/read?"""
    __tablename__ = "api_client_scopes"

    id = Column(Integer, primary_key=True, autoincrement=True)
    api_client_id = Column(Integer, ForeignKey("api_clients.id", ondelete="CASCADE"), nullable=False)
    instance_id = Column(Integer, ForeignKey("agent_instances.id", ondelete="CASCADE"), nullable=False)

    client = relationship("APIClient", back_populates="scopes")


class APIClientCall(Base):
    """Audit log for every authenticated API call by an API client."""
    __tablename__ = "api_client_calls"

    id = Column(Integer, primary_key=True, autoincrement=True)
    api_client_id = Column(Integer, ForeignKey("api_clients.id", ondelete="CASCADE"), nullable=False)
    instance_id = Column(Integer, nullable=True)  # may be null for non-instance endpoints
    endpoint = Column(String, default="")  # e.g. "POST /api/instances/2/trigger"
    status_code = Column(Integer, default=0)
    called_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))


class ServiceConfig(Base):
    """System-wide service credentials used by agents (Sonarr, Radarr, qBit, Plex, etc.).
    Keyed by service name (e.g. 'sonarr'). Admin manages these centrally, shared across users."""
    __tablename__ = "service_configs"

    service_name = Column(String, primary_key=True)  # 'sonarr', 'radarr', 'qbittorrent', 'plex', ...
    base_url = Column(String, default="")  # e.g. http://192.168.1.203:8989
    api_key = Column(String, default="")  # API key or token (varies by service)
    username = Column(String, default="")  # some services need both (qBit, Plex)
    password = Column(String, default="")
    extra = Column(JSON, default=dict)  # any service-specific extras
    updated_at = Column(DateTime, default=lambda: datetime.now(timezone.utc),
                        onupdate=lambda: datetime.now(timezone.utc))


class PirateConversation(Base):
    """A chat thread with The Pirate agent. Auto-resets 24h after last message unless
    user explicitly picks an old thread (client decides which conversation_id to use)."""
    __tablename__ = "pirate_conversations"

    id = Column(Integer, primary_key=True, autoincrement=True)
    user_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
    title = Column(String, default="")  # auto-set from first user message
    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))
    last_message_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))

    messages = relationship("PirateMessage", back_populates="conversation",
                            cascade="all, delete-orphan", order_by="PirateMessage.created_at")


class PirateMessage(Base):
    """One turn in a Pirate conversation. Role is 'user', 'assistant', or 'tool'.
    For 'assistant' turns with tool calls, tool_calls holds the LLM's requested calls.
    For 'tool' turns, tool_name + tool_result hold the execution output."""
    __tablename__ = "pirate_messages"

    id = Column(Integer, primary_key=True, autoincrement=True)
    conversation_id = Column(Integer, ForeignKey("pirate_conversations.id", ondelete="CASCADE"), nullable=False)
    role = Column(String, nullable=False)  # 'user', 'assistant', 'tool'
    content = Column(Text, default="")  # text content (user or assistant message)
    tool_calls = Column(JSON, nullable=True)  # list of {id, name, input} for assistant turns
    tool_call_id = Column(String, default="")  # matches an assistant.tool_calls[*].id on 'tool' turns
    tool_name = Column(String, default="")  # which tool was called on 'tool' turns
    tool_result = Column(JSON, nullable=True)  # structured result of the tool call
    model = Column(String, default="")  # LLM model that produced this assistant turn
    input_tokens = Column(Integer, default=0)
    output_tokens = Column(Integer, default=0)
    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))

    conversation = relationship("PirateConversation", back_populates="messages")