"""Office Status API - Star Office style visualization for Jarvis agents."""

from datetime import datetime, timedelta
from typing import Literal
from fastapi import APIRouter, HTTPException
from pydantic import BaseModel

router = APIRouter(prefix="/api/office", tags=["office"])

# ============================================================================
# State Definitions (mapped to spaceship areas)
# ============================================================================
# idle → Rest Bay (breakroom)
# writing/researching/executing → Command Console (writing)
# syncing → Server Room (syncing)
# error → Repair Bay (error)

SHIP_AREAS = {
    "breakroom": {"x": 200, "y": 300},  # Rest Bay - bottom left
    "writing": {"x": 640, "y": 200},  # Command Console - center top
    "server": {"x": 640, "y": 400},  # Server Room - center bottom
    "error": {"x": 1000, "y": 300},  # Repair Bay - right side
}

STATES = {
    "idle": {"name": "待命", "area": "breakroom"},
    "writing": {"name": "执行中", "area": "writing"},
    "researching": {"name": "研究中", "area": "writing"},
    "executing": {"name": "执行中", "area": "writing"},
    "syncing": {"name": "同步中", "area": "server"},
    "error": {"name": "故障中", "area": "error"},
}


# ============================================================================
# Data Models
# ============================================================================
class AgentState(BaseModel):
    agent_id: str
    name: str
    state: Literal["idle", "writing", "researching", "executing", "syncing", "error"]
    detail: str | None = None
    area: str | None = None
    is_main: bool = False
    auth_status: str = "approved"  # approved, pending, rejected, offline


class SetStateRequest(BaseModel):
    state: str
    detail: str | None = None


class OfficeStatus(BaseModel):
    state: str
    detail: str | None = None
    agent_name: str
    timestamp: str


class OfficeMemo(BaseModel):
    success: bool
    date: str
    memo: str


# ============================================================================
# In-Memory State (in production, this would come from Jarvis's agent state)
# ============================================================================
_current_state: dict = {
    "agent_id": "jarvis-main",
    "name": "JARVIS",
    "state": "idle",
    "detail": "战舰启动中...",
    "area": "breakroom",
    "is_main": True,
    "auth_status": "approved",
}


def normalize_state(state: str | None) -> str:
    """Normalize various state names to our canonical states."""
    if not state:
        return "idle"
    state = state.lower().strip()
    if state in ("working", "run", "running"):
        return "writing"
    if state in ("sync", "syncing"):
        return "syncing"
    if state in ("research", "researching"):
        return "researching"
    if state in ("execute", "executing"):
        return "executing"
    if state == "error":
        return "error"
    return "idle"


def get_state_info(state: str) -> dict:
    """Get state info including area mapping."""
    return STATES.get(state, STATES["idle"])


# ============================================================================
# API Endpoints
# ============================================================================
@router.get("/status", response_model=OfficeStatus)
async def get_status():
    """Get current agent status."""
    state_info = get_state_info(_current_state["state"])
    return OfficeStatus(
        state=_current_state["state"],
        detail=_current_state.get("detail"),
        agent_name=_current_state["name"],
        timestamp=datetime.now().isoformat(),
    )


@router.get("/yesterday-memo", response_model=OfficeMemo)
async def get_yesterday_memo():
    """Return a lightweight public memo for the Star Office viewer."""
    target_date = (datetime.now() - timedelta(days=1)).date().isoformat()
    detail = (_current_state.get("detail") or "No detailed log was recorded.").strip()
    memo = (
        "Yesterday summary\n"
        f"- Last known state: {_current_state['state']}\n"
        f"- Detail: {detail}\n"
        "- Next step: open the command surface and continue from the current work thread."
    )
    return OfficeMemo(success=True, date=target_date, memo=memo)


@router.post("/set_state")
async def set_state(req: SetStateRequest):
    """Set the current agent state."""
    normalized = normalize_state(req.state)
    state_info = get_state_info(normalized)

    _current_state["state"] = normalized
    _current_state["detail"] = req.detail or ""
    _current_state["area"] = state_info["area"]

    return {
        "success": True,
        "state": normalized,
        "area": state_info["area"],
        "detail": _current_state["detail"],
    }


@router.get("/agents")
async def get_agents():
    """Get all agents in the office (for multi-agent support)."""
    # For now, return just the main agent
    # In full implementation, this would query Jarvis's agent registry
    state_info = get_state_info(_current_state["state"])
    return [
        {
            "agentId": _current_state["agent_id"],
            "name": _current_state["name"],
            "state": _current_state["state"],
            "detail": _current_state.get("detail", ""),
            "area": state_info["area"],
            "isMain": _current_state.get("is_main", True),
            "authStatus": _current_state.get("auth_status", "approved"),
            "updated_at": datetime.now().isoformat(),
        }
    ]


@router.get("/areas")
async def get_areas():
    """Get all spaceship areas with coordinates."""
    return SHIP_AREAS


@router.get("/health")
async def health():
    """Health check."""
    return {"status": "ok", "service": "office"}