# -*- coding: utf-8 -*-
"""运营端业务管理端点：任务 / 服务商 / 内容 / 系统配置 / 数据统计。

全部要求 operator 角色（内部子角色再按权限细分），并写审计日志。
"""
from __future__ import annotations

from fastapi import APIRouter, Depends, HTTPException, Request
from pydantic import BaseModel

from ..dependencies import get_db
from ...rbac import require_permission, require_roles, write_audit
from ...infrastructure.repositories import Database

router = APIRouter(prefix="/admin", tags=["admin-op"])


class TaskCreateRequest(BaseModel):
    title: str
    category: str = ""
    sub_category: str = ""
    description: str = ""
    mode: str = "grab"
    budget_min: int = 0
    budget_max: int = 0
    deadline: str = ""
    publisher_name: str = ""


class TaskStatusRequest(BaseModel):
    status: str  # review/published/completed/cancelled


class ProviderCreateRequest(BaseModel):
    name: str
    category: str = ""
    level: str = "certified"
    status: str = "pending"
    contact: str = ""


class ProviderUpdateRequest(BaseModel):
    level: str | None = None
    status: str | None = None
    contact: str | None = None


class ContentCreateRequest(BaseModel):
    type: str = "news"
    title: str
    summary: str = ""
    body: str = ""
    status: str = "draft"


class ContentStatusRequest(BaseModel):
    status: str  # published/offline/draft


class ConfigUpdateRequest(BaseModel):
    value: str
    description: str = ""


# ── 任务管理 ──────────────────────────────────────────────────────────────
@router.get("/tasks", summary="任务列表")
async def list_tasks(
    status: str | None = None,
    db: Database = Depends(get_db),
    _u: dict = Depends(require_roles("operator")),
):
    return await db.tasks.list(status=status)


@router.post("/tasks", summary="创建任务")
async def create_task(
    req: TaskCreateRequest,
    request: Request,
    db: Database = Depends(get_db),
    actor: dict = Depends(require_permission("action:task.manage")),
):
    task = await db.tasks.create(req.model_dump(exclude_none=True))
    await write_audit(db, action="task.create", resource="task", resource_id=task["id"],
                detail=task["title"], user=actor, request=request)
    return task


@router.post("/tasks/{task_id}/status", summary="更新任务状态")
async def set_task_status(
    task_id: str,
    req: TaskStatusRequest,
    request: Request,
    db: Database = Depends(get_db),
    actor: dict = Depends(require_permission("action:task.manage")),
):
    if await db.tasks.get(task_id) is None:
        raise HTTPException(status_code=404, detail="Task not found")
    task = await db.tasks.set_status(task_id, req.status)
    await write_audit(db, action="task.status", resource="task", resource_id=task_id,
                detail=req.status, user=actor, request=request)
    return task


# ── 服务商管理 ────────────────────────────────────────────────────────────
@router.get("/providers", summary="服务商列表")
async def list_providers(
    status: str | None = None,
    db: Database = Depends(get_db),
    _u: dict = Depends(require_roles("operator")),
):
    return await db.providers.list(status=status)


@router.post("/providers", summary="创建服务商")
async def create_provider(
    req: ProviderCreateRequest,
    request: Request,
    db: Database = Depends(get_db),
    actor: dict = Depends(require_permission("action:provider.manage")),
):
    prov = await db.providers.create(req.model_dump(exclude_none=True))
    await write_audit(db, action="provider.create", resource="provider", resource_id=prov["id"],
                detail=prov["name"], user=actor, request=request)
    return prov


@router.post("/providers/{provider_id}/update", summary="更新服务商（评级/状态）")
async def update_provider(
    provider_id: str,
    req: ProviderUpdateRequest,
    request: Request,
    db: Database = Depends(get_db),
    actor: dict = Depends(require_permission("action:provider.manage")),
):
    updated = await db.providers.update(provider_id, req.model_dump(exclude_none=True))
    if updated is None:
        raise HTTPException(status_code=404, detail="Provider not found")
    await write_audit(db, action="provider.update", resource="provider", resource_id=provider_id,
                detail=str(req.model_dump(exclude_none=True)), user=actor, request=request)
    return updated


# ── 内容管理 ──────────────────────────────────────────────────────────────
@router.get("/content", summary="内容列表")
async def list_content(
    ctype: str | None = None,
    status: str | None = None,
    db: Database = Depends(get_db),
    _u: dict = Depends(require_roles("operator")),
):
    return await db.content.list(ctype=ctype, status=status)


@router.post("/content", summary="创建内容")
async def create_content(
    req: ContentCreateRequest,
    request: Request,
    db: Database = Depends(get_db),
    actor: dict = Depends(require_permission("action:content.manage")),
):
    item = await db.content.create(req.model_dump(exclude_none=True))
    await write_audit(db, action="content.create", resource="content", resource_id=item["id"],
                detail=item["title"], user=actor, request=request)
    return item


@router.post("/content/{content_id}/status", summary="发布/下架内容")
async def set_content_status(
    content_id: str,
    req: ContentStatusRequest,
    request: Request,
    db: Database = Depends(get_db),
    actor: dict = Depends(require_permission("action:content.manage")),
):
    item = await db.content.set_status(content_id, req.status)
    if item is None:
        raise HTTPException(status_code=404, detail="Content not found")
    await write_audit(db, action="content.status", resource="content", resource_id=content_id,
                detail=req.status, user=actor, request=request)
    return item


# ── 系统配置 ──────────────────────────────────────────────────────────────
@router.get("/config", summary="系统配置列表")
async def list_config(
    db: Database = Depends(get_db),
    _u: dict = Depends(require_roles("operator")),
):
    return await db.config.all()


@router.put("/config/{key}", summary="更新系统配置")
async def set_config(
    key: str,
    req: ConfigUpdateRequest,
    request: Request,
    db: Database = Depends(get_db),
    actor: dict = Depends(require_permission("action:config.manage")),
):
    cfg = await db.config.set(key, req.value, req.description)
    await write_audit(db, action="config.update", resource="config", resource_id=key,
                detail=req.value, user=actor, request=request)
    return cfg


# ── 数据统计 ──────────────────────────────────────────────────────────────
@router.get("/stats/overview", summary="运营数据总览")
async def stats_overview(
    db: Database = Depends(get_db),
    _u: dict = Depends(require_roles("operator")),
):
    return await db.stats.overview()