package history

import (
	"context"
	"fmt"
	"log"
	"net/http"

	"github.com/labstack/echo/v4"
	"go.uber.org/zap"
	"penahub.gitlab.yandexcloud.net/pena-services/customer/internal/dto"
	"penahub.gitlab.yandexcloud.net/pena-services/customer/internal/errors"
	"penahub.gitlab.yandexcloud.net/pena-services/customer/internal/interface/swagger"
	"penahub.gitlab.yandexcloud.net/pena-services/customer/internal/models"
)

type historyService interface {
	GetHistoryList(context.Context, *dto.GetHistories) (*models.PaginationResponse[models.History], errors.Error)
	GetRecentTariffs(context.Context, string) ([]models.TariffID, errors.Error) // new
}

type Deps struct {
	Logger         *zap.Logger
	HistoryService historyService
}

type Controller struct {
	logger         *zap.Logger
	historyService historyService
}

func New(deps Deps) *Controller {
	if deps.Logger == nil {
		log.Panicln("logger is nil on <New (history controller)>")
	}

	if deps.HistoryService == nil {
		log.Panicln("HistoryService is nil on <New (history controller)>")
	}

	return &Controller{
		logger:         deps.Logger,
		historyService: deps.HistoryService,
	}
}

func (receiver *Controller) GetHistoryList(ctx echo.Context, params swagger.GetHistoryParams) error {
	userID, ok := ctx.Get(models.AuthJWTDecodedUserIDKey).(string)
	if !ok {
		receiver.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,
		))
	}

	histories, err := receiver.historyService.GetHistoryList(ctx.Request().Context(), &dto.GetHistories{
		Type:   params.Type,
		UserID: userID,
		Pagination: &models.Pagination{
			Page:  int64(*params.Page),
			Limit: int64(*params.Limit),
		},
	})
	if err != nil {
		receiver.logger.Error("failed to get histories on <GetHistoryList> of <HistoryController>", zap.Error(err))
		return errors.HTTP(ctx, err)
	}

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

// TODO:tests.
func (receiver *Controller) GetRecentTariffs(ctx echo.Context) error {
	userID, ok := ctx.Get(models.AuthJWTDecodedUserIDKey).(string)
	if !ok {
		receiver.logger.Error("failed to convert jwt payload to string on <GetRecentTariffs> of <HistoryController>")
		return errors.HTTP(ctx, errors.New(
			fmt.Errorf("failed to convert jwt payload to string: %s", userID),
			errors.ErrInvalidArgs,
		))
	}

	tariffs, err := receiver.historyService.GetRecentTariffs(ctx.Request().Context(), userID)
	if err != nil {
		receiver.logger.Error("failed to get recent tariffs on <GetRecentTariffs> of <HistoryController>",
			zap.String("userId", userID),
			zap.Error(err),
		)
		return errors.HTTP(ctx, err)
	}

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