package admin

import (
	"strconv"

	"github.com/dmitriygnatenko/internal/helpers"
	"github.com/dmitriygnatenko/internal/interfaces"
	"github.com/dmitriygnatenko/internal/mapper"
	"github.com/go-playground/validator/v10"
	"github.com/gofiber/fiber/v2"
)

func ArticleHandler(app interfaces.IApp) fiber.Handler {
	return func(ctx *fiber.Ctx) error {
		articles, err := app.GetArticleRepository().GetAllPreview(ctx.Context())
		if err != nil {
			return err
		}

		articlesDTO, err := mapper.ConvertArticlePreviewModelsToDTO(articles)
		if err != nil {
			return err
		}

		return ctx.Render("admin/article", fiber.Map{
			"articles": articlesDTO,
			"section":  "article",
		}, "admin/_layout")
	}
}

func AddArticleHandler(app interfaces.IApp) fiber.Handler {
	return func(ctx *fiber.Ctx) error {
		return nil
	}
}

func EditArticleHandler(app interfaces.IApp) fiber.Handler {
	return func(ctx *fiber.Ctx) error {
		var validate = validator.New()
		validateErrors := make(map[string]string)

		trans, err := helpers.GetDefaultTranslator(validate)
		if err != nil {
			return err
		}

		ID, err := strconv.Atoi(ctx.Params("id"))
		if err != nil {
			return err
		}

		article, err := app.GetArticleRepository().GetByID(ctx.Context(), ID)
		if err != nil {
			return err
		}
		if article == nil {
			return fiber.ErrNotFound
		}

		articleTags, err := app.GetTagRepository().GetByArticleID(ctx.Context(), ID)
		if err != nil {
			return err
		}

		form, err := mapper.ConvertArticleModelToForm(*article, articleTags)
		if err != nil {
			return err
		}

		tags, err := app.GetTagRepository().GetAll(ctx.Context())
		if err != nil {
			return err
		}

		tagsDTO, err := mapper.ConvertTagModelsToDTO(tags)
		if err != nil {
			return err
		}

		if ctx.Method() == fiber.MethodPost {
			if err = ctx.BodyParser(&form); err != nil {
				return err
			}

			if err = validate.Struct(form); err != nil {
				validateErrors = helpers.FormatValidateErrors(err, trans)
			}

			// TODO
		}

		return ctx.Render("admin/article_edit", fiber.Map{
			"form":    form,
			"errors":  validateErrors,
			"tags":    tagsDTO,
			"section": "article",
			"title":   "Редактирование статьи",
		}, "admin/_layout")
	}
}

func DeleteArticleHandler(app interfaces.IApp) fiber.Handler {
	return func(ctx *fiber.Ctx) error {
		return nil
	}
}