from typing import Annotated

from fastapi import APIRouter, Body, Depends, Path
from fastapi.responses import JSONResponse

from app.common.response import ResponseSchema, StreamResponse, SuccessResponse
from app.core.base_params import PaginationQueryParam
from app.core.base_schema import AuthSchema, PageResultSchema
from app.core.dependencies import AuthPermission
from app.core.logger import logger
from app.core.router_class import OperationLogRoute
from app.utils.common_util import bytes2file_response

from .schema import (
    GenCreateTableSqlBody,
    GenDBTableSchema,
    GenSyncPreviewSchema,
    GenTableOutSchema,
    GenTableQueryParam,
    GenTableSchema,
)
from .service import GenTableService

GenRouter = APIRouter(route_class=OperationLogRoute, prefix="/gencode", tags=["开发工具", "代码生成"])


@GenRouter.get(
    "/list",
    summary="查询代码生成业务表列表",
    response_model=ResponseSchema[list[GenTableOutSchema]],
)
async def gen_table_list_controller(
    page: Annotated[PaginationQueryParam, Depends()],
    search: Annotated[GenTableQueryParam, Depends()],
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_generator:gencode:query"]))],
) -> JSONResponse:
    order_by = [{"created_time": "desc"}]
    if page.order_by:
        order_by = page.order_by
    result_dict = await GenTableService(auth).get_gen_table_page(
        page_no=page.page_no,
        page_size=page.page_size,
        search=search,
        order_by=order_by,
    )
    return SuccessResponse(data=result_dict, msg="获取代码生成业务表列表成功")


@GenRouter.get(
    "/db/list",
    summary="查询数据库表列表",
    response_model=ResponseSchema[PageResultSchema[GenDBTableSchema]],
)
async def get_gen_db_table_list_controller(
    page: Annotated[PaginationQueryParam, Depends()],
    search: Annotated[GenTableQueryParam, Depends()],
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_generator:dblist:query"]))],
) -> JSONResponse:
    result_dict = await GenTableService(auth).get_gen_db_table_page(
        page_no=page.page_no,
        page_size=page.page_size,
        search=search,
    )
    return SuccessResponse(data=result_dict, msg="获取数据库表列表成功")


@GenRouter.post(
    "/import",
    summary="导入表结构",
    response_model=ResponseSchema[bool],
)
async def import_gen_table_controller(
    table_names: Annotated[list[str], Body(description="表名列表")],
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_generator:gencode:import"]))],
) -> JSONResponse:
    svc = GenTableService(auth)
    add_gen_table_list = await svc.get_gen_db_table_list_by_name(table_names)
    result = await svc.import_gen_table(add_gen_table_list)
    return SuccessResponse(msg="导入表结构成功", data=result)


@GenRouter.get(
    "/detail/{table_id}",
    summary="获取业务表详细信息",
    response_model=ResponseSchema[GenTableOutSchema],
)
async def gen_table_detail_controller(
    table_id: Annotated[int, Path(description="业务表ID")],
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_generator:gencode:query"]))],
) -> JSONResponse:
    result = await GenTableService(auth).get_gen_table_detail(table_id)
    return SuccessResponse(data=result, msg="获取业务表详细信息成功")


@GenRouter.post(
    "/create",
    summary="创建表结构",
    response_model=ResponseSchema[bool],
)
async def create_table_controller(
    body: GenCreateTableSqlBody,
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_generator:gencode:create"]))],
) -> JSONResponse:
    result = await GenTableService(auth).create_table(body.sql)
    return SuccessResponse(msg="创建表结构成功", data=result)


@GenRouter.put(
    "/update/{table_id}",
    summary="编辑业务表信息",
    response_model=ResponseSchema[GenTableOutSchema],
)
async def update_gen_table_controller(
    table_id: Annotated[int, Path(description="业务表ID")],
    data: Annotated[GenTableSchema, Body(description="业务表信息")],
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_generator:gencode:update"]))],
) -> JSONResponse:
    result_dict = await GenTableService(auth).update_gen_table(data, table_id)
    return SuccessResponse(data=result_dict, msg="编辑业务表信息成功")


@GenRouter.delete(
    "/delete",
    summary="删除业务表信息",
    response_model=ResponseSchema[None],
)
async def delete_gen_table_controller(
    ids: Annotated[list[int], Body(description="业务表ID列表")],
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_generator:gencode:delete"]))],
) -> JSONResponse:
    result = await GenTableService(auth).delete_gen_table(ids)
    return SuccessResponse(msg="删除业务表信息成功", data=result)


@GenRouter.patch(
    "/batch/output",
    summary="批量生成代码",
)
async def batch_gen_code_controller(
    table_names: Annotated[list[str], Body(description="表名列表")],
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_generator:gencode:operate"]))],
) -> StreamResponse:
    batch_gen_code_result, failed_tables = await GenTableService(auth).batch_gen_code(table_names)
    headers = {"Content-Disposition": "attachment; filename=code.zip"}
    if failed_tables:
        logger.warning(f"批量生成代码部分失败，跳过表: {failed_tables}")
        headers["X-Skipped-Tables"] = ",".join(failed_tables)
    return StreamResponse(
        data=bytes2file_response(batch_gen_code_result),
        media_type="application/zip",
        headers=headers,
    )


@GenRouter.post(
    "/output/{table_name}",
    summary="生成代码到指定路径",
    response_model=ResponseSchema[bool],
)
async def gen_code_local_controller(
    table_name: Annotated[str, Path(description="表名")],
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_generator:gencode:code"]))],
) -> JSONResponse:
    result = await GenTableService(auth).generate_code(table_name)
    return SuccessResponse(msg="生成代码到指定路径成功", data=result)


@GenRouter.get(
    "/preview/{table_id}",
    summary="预览代码",
    response_model=ResponseSchema[GenTableOutSchema],
)
async def preview_code_controller(
    table_id: Annotated[int, Path(description="业务表ID")],
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_generator:gencode:query"]))],
) -> JSONResponse:
    result = await GenTableService(auth).preview_code(table_id)
    return SuccessResponse(data=result, msg="预览代码成功")


@GenRouter.post(
    "/sync_db/{table_name}",
    summary="同步数据库",
    response_model=ResponseSchema[None],
)
async def sync_db_controller(
    table_name: Annotated[str, Path(description="表名")],
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_generator:db:sync"]))],
) -> JSONResponse:
    result = await GenTableService(auth).sync_db(table_name)
    return SuccessResponse(msg="同步数据库成功", data=result)


@GenRouter.get(
    "/sync_db/preview/{table_name}",
    summary="同步数据库差异预览",
    response_model=ResponseSchema[GenSyncPreviewSchema],
)
async def sync_db_preview_controller(
    table_name: Annotated[str, Path(description="表名")],
    auth: Annotated[AuthSchema, Depends(AuthPermission(["module_generator:db:sync"]))],
) -> JSONResponse:
    result = await GenTableService(auth).sync_db_preview(table_name)
    return SuccessResponse(msg="获取同步差异预览成功", data=result)