package swagger

import (
	"fmt"
	"net/http"

	"github.com/labstack/echo/v4"
	"go.mongodb.org/mongo-driver/mongo"
	"go.uber.org/zap"
	"penahub.gitlab.yandexcloud.net/pena-services/customer/internal/errors"
	"penahub.gitlab.yandexcloud.net/pena-services/customer/internal/interface/client"
	"penahub.gitlab.yandexcloud.net/pena-services/customer/internal/interface/repository"
	"penahub.gitlab.yandexcloud.net/pena-services/customer/internal/models"
	"penahub.gitlab.yandexcloud.net/pena-services/customer/pkg/echotools"
)

// TODO update echo errors

const defaultCurrency = "RUB" // TODO move

type API2 struct {
	logger   *zap.Logger
	history  repository.HistoryRepository
	account  repository.AccountRepository
	currency repository.CurrencyRepository
	auth     *client.AuthClient
}

var _ ServerInterface = (*API2)(nil)

func NewAPI2(logger *zap.Logger, db *mongo.Database, config *models.Config) API2 {
	return API2{
		logger:   logger,
		history:  repository.NewHistoryRepository2(logger, db.Collection("histories")),
		currency: repository.NewCurrencyRepository2(logger, db.Collection("currency_lists")),
		account:  repository.NewAccountRepository2(logger, db.Collection("accounts")),
		auth:     client.NewAuthClient(client.AuthClientDeps{Logger: logger, URLs: &config.Service.AuthMicroservice.URL}),
	}
}

// Health

func (api *API2) GetHealth(ctx echo.Context) error {
	return ctx.String(http.StatusOK, "OK")
}

// Account

func (api *API2) DeleteAccount(ctx echo.Context) error {
	userID, ok := ctx.Get(models.AuthJWTDecodedUserIDKey).(string)
	if !ok {
		api.logger.Error("failed to convert jwt payload to string on <RemoveAccount> of <AccountController>")

		return errors.HTTP(ctx, errors.New(
			fmt.Errorf("failed to convert jwt payload to string: %s", userID),
			errors.ErrInvalidArgs,
		))
	}

	account, err := api.account.Remove(ctx.Request().Context(), userID)
	if err != nil {
		api.logger.Error("failed to remove account on <RemoveAccount> of <AccountService>",
			zap.Error(err),
			zap.String("userID", userID),
		)
		return errors.HTTP(ctx, err)
	}

	return ctx.JSON(http.StatusOK, account)
}

func (api *API2) ChangeAccount(ctx echo.Context) error {
	userID, ok := ctx.Get(models.AuthJWTDecodedUserIDKey).(string)
	if !ok {
		api.logger.Error("failed to convert jwt payload to string on <UpdateAccountName> of <AccountController>")
		return errors.HTTP(ctx, errors.New(fmt.Errorf("failed to convert jwt payload to string: %s", userID), errors.ErrInvalidArgs))
	}

	request, bindErr := echotools.Bind[models.Name](ctx)
	if bindErr != nil {
		api.logger.Error("failed to bind json request on <UpdateAccountName> of <AccountController>", zap.Error(bindErr))
		return errors.HTTP(ctx, errors.New(fmt.Errorf("failed to bind json: %w", bindErr), errors.ErrInternalError))
	}

	account, err := api.account.UpdateName(ctx.Request().Context(), userID, request)
	if err != nil {
		api.logger.Error("failed to update account name on <UpdateAccountName> of <AccountService>", zap.Error(err))
		return errors.HTTP(ctx, err)
	}

	return ctx.JSON(http.StatusOK, account)
}

func (api *API2) SetAccountVerificationStatus(ctx echo.Context, userID string) error {
	request, bindErr := echotools.Bind[models.SetAccountStatus](ctx)
	if bindErr != nil {
		api.logger.Error("failed to bind json request on <SetVerificationStatus> of <AccountController>", zap.Error(bindErr))
		return errors.HTTP(ctx, errors.New(fmt.Errorf("failed to bind json: %w", bindErr), errors.ErrInternalError))
	}

	account, err := api.account.SetStatus(ctx.Request().Context(), userID, request.Status)
	if err != nil {
		api.logger.Error("failed to set status on <SetVerificationStatus> of <AccountService>", zap.Error(err))
		return errors.HTTP(ctx, err)
	}

	return ctx.JSON(http.StatusOK, account)
}

func (api *API2) GetAccount(ctx echo.Context) error {
	userID, ok := ctx.Get(models.AuthJWTDecodedUserIDKey).(string)
	if !ok {
		api.logger.Error("failed to convert jwt payload to string on <GetAccount> of <AccountController>")

		return errors.HTTP(ctx, errors.New(
			fmt.Errorf("failed to convert jwt payload to string: %s", userID),
			errors.ErrInvalidArgs,
		))
	}

	account, err := api.account.FindByUserID(ctx.Request().Context(), userID)
	if err != nil {
		api.logger.Error("failed to get account by id on <GetAccountByUserID> of <AccountService>",
			zap.Error(err),
			zap.String("userID", userID),
		)
		return errors.HTTP(ctx, err)
	}

	return ctx.JSON(http.StatusOK, account)
}

func (api *API2) AddAccount(ctx echo.Context) error {
	userID, ok := ctx.Get(models.AuthJWTDecodedUserIDKey).(string)
	if !ok {
		api.logger.Error("failed to convert jwt payload to string on <CreateAccount> of <AccountController>")

		return errors.HTTP(ctx, errors.New(
			fmt.Errorf("failed to convert jwt payload to string: %s", userID),
			errors.ErrInvalidArgs,
		))
	}

	account, err := api.account.FindByUserID(ctx.Request().Context(), userID)
	if err != nil && err.Type() != errors.ErrNotFound {
		api.logger.Error("failed to find account on <CreateAccountByUserID> of <AccountService>",
			zap.Error(err),
		)

		return errors.HTTP(ctx, err)
	}

	if account != nil {
		return errors.HTTP(ctx, errors.New(
			fmt.Errorf("failed to create account with <%s> on <CreateAccountByUserID> of <AccountService>: %w",
				userID,
				errors.ErrConflict,
			),
			errors.ErrConflict,
		))
	}

	user, err := api.auth.GetUser(ctx.Request().Context(), userID)
	if err != nil {
		api.logger.Error("failed to get user on <CreateAccountByUserID> of <AccountService>",
			zap.Error(err),
			zap.String("userID", userID),
		)

		return errors.HTTP(ctx, err)
	}

	account, err = api.account.Insert(ctx.Request().Context(), &models.Account{UserID: user.ID, Wallet: models.Wallet{Currency: defaultCurrency}})
	if err != nil {
		api.logger.Error("failed to create account on <CreateAccountByUserID> of <AccountService>",
			zap.Error(err),
			zap.String("userID", userID),
		)

		return errors.HTTP(ctx, err)
	}

	return ctx.JSON(http.StatusOK, account)
}

func (api *API2) DeleteDirectAccount(ctx echo.Context, userID string) error {
	// return receiver.accountController.RemoveDirectAccount(ctx, userID)
	return ctx.JSON(http.StatusBadRequest, models.ResponseErrorHTTP{Message: "TODO", StatusCode: 888})
}

func (api *API2) GetDirectAccount(ctx echo.Context, userID string) error {
	// return receiver.accountController.GetDirectAccount(ctx, userID)
	return ctx.JSON(http.StatusBadRequest, models.ResponseErrorHTTP{Message: "TODO", StatusCode: 888})
}

func (api *API2) PaginationAccounts(ctx echo.Context, params PaginationAccountsParams) error {
	// return receiver.accountController.GetAccounts(ctx, params)
	return ctx.JSON(http.StatusBadRequest, models.ResponseErrorHTTP{Message: "TODO", StatusCode: 888})
}

// Cart

func (api *API2) RemoveFromCart(ctx echo.Context, params RemoveFromCartParams) error {
	// return receiver.cartController.Remove(ctx, params)
	return ctx.JSON(http.StatusBadRequest, models.ResponseErrorHTTP{Message: "TODO", StatusCode: 888})
}

func (api *API2) Add2cart(ctx echo.Context, params Add2cartParams) error {
	// return receiver.cartController.Add(ctx, params)
	return ctx.JSON(http.StatusBadRequest, models.ResponseErrorHTTP{Message: "TODO", StatusCode: 888})
}

func (api *API2) PayCart(ctx echo.Context) error {
	// return receiver.cartController.Pay(ctx)
	return ctx.JSON(http.StatusBadRequest, models.ResponseErrorHTTP{Message: "TODO", StatusCode: 888})
}

// Currency

func (api *API2) GetCurrencies(ctx echo.Context) error {
	// return receiver.currencyController.GetCurrencies(ctx)
	return ctx.JSON(http.StatusBadRequest, models.ResponseErrorHTTP{Message: "TODO", StatusCode: 888})
}

func (api *API2) UpdateCurrencies(ctx echo.Context) error {
	// return receiver.currencyController.PutCurrencies(ctx)
	return ctx.JSON(http.StatusBadRequest, models.ResponseErrorHTTP{Message: "TODO", StatusCode: 888})
}

// History

func (api *API2) GetHistory(ctx echo.Context, params GetHistoryParams) error {
	// return receiver.historyController.GetHistoryList(ctx, params)
	return ctx.JSON(http.StatusBadRequest, models.ResponseErrorHTTP{Message: "TODO", StatusCode: 888})
}

// Wallet

func (api *API2) RequestMoney(ctx echo.Context) error {
	// return receiver.walletController.GetPaymentLink(ctx)
	return ctx.JSON(http.StatusBadRequest, models.ResponseErrorHTTP{Message: "TODO", StatusCode: 888})
}

func (api *API2) ChangeCurrency(ctx echo.Context) error {
	// return receiver.walletController.ChangeCurrency(ctx)
	return ctx.JSON(http.StatusBadRequest, models.ResponseErrorHTTP{Message: "TODO", StatusCode: 888})
}