from fastapi import APIRouter, Depends
from db.handlers.categories import CategoryHandler
from db.handlers.stock import PlacementHandler, StockHandler
from db.handlers.toolbox import ToolboxHandler
from db.handlers.toolkit import ToolkitHandler
from utils import requestDict, logger


router = APIRouter()


def handleResult(result: dict, response: dict) -> dict:
    if "errorMessage" in result.keys():
        response["message"] = result["errorMessage"]
    else:
        response["status"] = "ok"
    return response


@router.get("/", summary="Получение инструмента")
async def get_toolkit(reqData: dict = Depends(requestDict)):
    logger.info(f"Получение инструмента")
    response = {"status": "error"}
    toolkitId = reqData.get("query").get("toolkitId")
    if toolkitId:
        toolkit = await ToolkitHandler.get(int(toolkitId))
        if toolkit:
            response["status"] = "ok"
            response["data"] = toolkit
    return response


@router.post("/", summary="Запрос остатка инструмента")
async def toolkit_request(
    reqData: dict = Depends(requestDict),
):
    response = {"status": "error", "data": {}}
    toolkitId = reqData.get("body").get("toolkitId")
    logger.info(f"Получение запроса остатка инструмента #{toolkitId}")
    stocks = await StockHandler.getByToolkitId(toolkitId)
    if not stocks:
        return response
    userId = reqData.get("body").get("userId")
    allToolboxes = reqData.get("body").get("allToolboxes")
    toolboxes = (
        await ToolboxHandler.getByOwner(userId)
        if not allToolboxes
        else await ToolboxHandler.getAll()
    )
    if not toolboxes:
        return response
    toolboxesTitles = {toolbox["id"]: toolbox["title"] for toolbox in toolboxes}
    toolboxesOwners = {toolbox["id"]: toolbox["owner_id"] for toolbox in toolboxes}
    stocksData = {"count": 0, "toolboxes": {}}
    for stock in stocks:
        toolboxTitle = toolboxesTitles.get(stock["toolbox_id"], None)
        if not toolboxTitle:
            continue
        stocksData["count"] += stock["quantity"]
        if toolboxTitle not in stocksData["toolboxes"]:
            stocksData["toolboxes"][toolboxTitle] = {
                "count": stock["quantity"],
                "placement": stock["placement"],
            }
            if not toolboxesOwners.get(stock["toolbox_id"]):
                stocksData["toolboxes"][toolboxTitle]["id"] = stock["toolbox_id"]
                stocksData["toolboxes"][toolboxTitle]["totalCost"] = (
                    stock["price"] * stock["quantity"]
                )
        else:
            stocksData["toolboxes"][toolboxTitle]["count"] += stock["quantity"]
            if not toolboxesOwners.get(stock["toolbox_id"]):
                stocksData["toolboxes"][toolboxTitle]["totalCost"] += (
                    stock["price"] * stock["quantity"]
                )
    response["status"] = "ok"
    response["data"] = stocksData
    return response


@router.post("/fill_prepare", summary="Подготовка заполнения ящика")
async def fill_toolbox():
    logger.info(f"Подготовка заполнения ящика")
    response = {"status": "error"}
    toolkits = await ToolkitHandler.getAll()
    categories = await CategoryHandler.getAll()
    placements = await PlacementHandler.getAll()
    if toolkits and categories:
        response["status"] = "ok"
        response["data"] = {
            "toolkits": sorted(toolkits, key=lambda toolkit: toolkit["title"]),
            "categories": sorted(categories, key=lambda category: category["title"]),
            "placements": [placement.toDict() for placement in placements],
        }
    return response


@router.post("/categories_batch", summary="Управление категориями")
async def categories_batch(reqData: dict = Depends(requestDict)):
    logger.info(f"Управление категориями")
    response = {"status": "error"}
    userId = reqData.get("body").get("userId")
    changesData = reqData.get("body").get("changes")
    success = True
    for newCategoryData in changesData.get("create", []):
        logger.info(f"Добавление категории: {newCategoryData.get('title')}")
        result = await CategoryHandler.add(newCategoryData, userId)
        if not result:
            success = False
    for updateCategoryData in changesData.get("update", []):
        logger.info(f"Обновление категории: {updateCategoryData.get('title')}")
        result = await CategoryHandler.edit(updateCategoryData, userId)
        if not result:
            success = False
    for deleteCategoryId in changesData.get("delete", []):
        logger.info(f"Удаление категории: {deleteCategoryId}")
        result = await CategoryHandler.delete(deleteCategoryId, userId)
        if not result:
            success = False
    if success:
        response["status"] = "ok"
    return response


@router.get("/categories", summary="Получение категорий")
async def get_categories():
    logger.info(f"Получение категорий")
    response = {"status": "error"}
    categories = await CategoryHandler.getAll()
    if categories:
        categoriesDict = {
            category["id"]: {
                "id": category["id"],
                "title": category["title"],
                "description": category["description"],
            }
            for category in categories
        }
        response["status"] = "ok"
        response["data"] = categoriesDict
    return response


@router.post("/hide", summary="Скрытие инструмента")
async def hide_toolkit(reqData: dict = Depends(requestDict)):

    logger.info(f"Скрытие/отображение инструмента")
    response = {"status": "error"}
    toolkitId = int(reqData.get("body").get("toolkitId"))
    userId = reqData.get("body").get("userId")
    hidden = reqData.get("body").get("hidden")
    result = await ToolkitHandler.hideToolkit(userId, toolkitId, hidden)
    response = handleResult(result, response)
    return response


@router.post("/manage", summary="Управление инструментами")
async def manage_toolkit(reqData: dict = Depends(requestDict)):

    logger.info(f"Управление инструментами")
    response = {"status": "error"}
    action = reqData.get("body").get("action")
    userId = reqData.get("body").get("userId")
    toolkitData = reqData.get("body").get("formData")
    if "category_id" in toolkitData:
        toolkitData["category_id"] = int(toolkitData.get("category_id"))
    if "image" in toolkitData:
        if (
            not toolkitData.get("image").get("main")
            or toolkitData.get("image").get("main") == ""
        ):
            if len(toolkitData.get("image").get("additional")) == 0:
                toolkitData.pop("image")
    match action:
        case "create":
            toolkit = await ToolkitHandler.add(toolkitData, userId)
            response = handleResult(toolkit, response)
        case "copy":
            toolkitData.pop("id")
            toolkit = await ToolkitHandler.add(toolkitData, userId)
            response = handleResult(toolkit, response)
        case "update":
            toolkit = await ToolkitHandler.edit(userId, **toolkitData)
            response = handleResult(toolkit, response)
        case "delete":
            toolkit = await ToolkitHandler.delete(toolkitData.get("id"), userId)
            response = handleResult(toolkit, response)
        case _:
            pass
    logger.info(
        f"Управление инструментами ({action}) прошло {'успешно' if response.get('status') == 'ok' else 'неуспешно'}"
    )
    return response