"""业务岗位角色管理接口（需求 #28：岗位可扩展 + 绑定公式模板）。

保护规则（内置岗位禁删禁停、编码不可改、模板须在注册表内）见
`business_role_service` 模块 docstring。前端会禁用相应按钮，但**后端校验是唯一防线**。

全部要求管理员权限；写操作经 `RequestMetaDep` 带入请求元信息由 service
层写入操作日志。
"""

from typing import Annotated

from fastapi import APIRouter, Path, Query

from app.api.deps import AdminUser, DbSession, RequestMetaDep
from app.core.response import ApiResponse, PageResult, ok
from app.schemas.business_role import (
    BusinessRoleCreateIn,
    BusinessRoleOut,
    BusinessRoleQuery,
    BusinessRoleStatusIn,
    BusinessRoleUpdateIn,
    TemplateOptionOut,
)
from app.services import business_role_service

router = APIRouter(prefix="/business-roles", tags=["系统管理 · 岗位角色"])


@router.get("", response_model=ApiResponse[PageResult[BusinessRoleOut]], summary="岗位列表")
def list_roles(
    session: DbSession,
    _: AdminUser,
    query: Annotated[BusinessRoleQuery, Query()],
) -> ApiResponse[PageResult[BusinessRoleOut]]:
    """分页查询业务岗位角色（含停用）。"""
    return ok(business_role_service.list_roles(session, query))


@router.post("", response_model=ApiResponse[BusinessRoleOut], summary="新增岗位")
def create_role(
    session: DbSession,
    current_user: AdminUser,
    payload: BusinessRoleCreateIn,
    meta: RequestMetaDep,
) -> ApiResponse[BusinessRoleOut]:
    """新增岗位。编码全局唯一、创建后不可修改；模板须在注册表内；新岗位默认启用。"""
    return ok(
        business_role_service.create_role(session, payload, operator=current_user, meta=meta),
        message="岗位已创建",
    )


@router.get(
    "/meta/templates",
    response_model=ApiResponse[list[TemplateOptionOut]],
    summary="公式模板下拉",
)
def list_template_options(session: DbSession, _: AdminUser) -> ApiResponse[list[TemplateOptionOut]]:
    """取公式模板下拉（含声明参数，供岗位表单展示）。

    定义在 `/{role_id}` 之前：静态路径优先，避免 "meta" 被当作路径参数解析。
    """
    return ok(business_role_service.list_template_options())


@router.get("/{role_id}", response_model=ApiResponse[BusinessRoleOut], summary="岗位详情")
def get_role(
    session: DbSession,
    _: AdminUser,
    role_id: Annotated[int, Path(ge=1)],
) -> ApiResponse[BusinessRoleOut]:
    """按主键查询岗位详情。"""
    return ok(business_role_service.get_role(session, role_id))


@router.put("/{role_id}", response_model=ApiResponse[BusinessRoleOut], summary="编辑岗位")
def update_role(
    session: DbSession,
    current_user: AdminUser,
    role_id: Annotated[int, Path(ge=1)],
    payload: BusinessRoleUpdateIn,
    meta: RequestMetaDep,
) -> ApiResponse[BusinessRoleOut]:
    """编辑岗位名称/模板/说明/排序。

    **不含 role_code** —— 编码是参数维度值与模板绑定的锚点。
    """
    return ok(
        business_role_service.update_role(
            session, role_id, payload, operator=current_user, meta=meta
        ),
        message="已保存",
    )


@router.put(
    "/{role_id}/status", response_model=ApiResponse[BusinessRoleOut], summary="启用/禁用岗位"
)
def set_status(
    session: DbSession,
    current_user: AdminUser,
    role_id: Annotated[int, Path(ge=1)],
    payload: BusinessRoleStatusIn,
    meta: RequestMetaDep,
) -> ApiResponse[BusinessRoleOut]:
    """启用或禁用岗位。内置岗位不可停用。"""
    result = business_role_service.set_status(
        session, role_id, payload.status, operator=current_user, meta=meta
    )
    return ok(result, message="已启用" if payload.status == 1 else "已禁用")


@router.delete("/{role_id}", response_model=ApiResponse[None], summary="删除岗位")
def delete_role(
    session: DbSession,
    current_user: AdminUser,
    role_id: Annotated[int, Path(ge=1)],
    meta: RequestMetaDep,
) -> ApiResponse[None]:
    """删除岗位。内置岗位不可删除；有人员引用的岗位不可删除。"""
    business_role_service.delete_role(session, role_id, operator=current_user, meta=meta)
    return ok(message="岗位已删除")