package controller

import (
	"netidhub-saas-be/app/module/articles/request"
	"netidhub-saas-be/app/module/articles/service"
	"netidhub-saas-be/utils/paginator"
	"strconv"

	"github.com/gofiber/fiber/v2"
	"github.com/rs/zerolog"

	utilRes "netidhub-saas-be/utils/response"
	utilVal "netidhub-saas-be/utils/validator"
)

type articlesController struct {
	articlesService service.ArticlesService
	Log             zerolog.Logger
}

type ArticlesController interface {
	All(c *fiber.Ctx) error
	Show(c *fiber.Ctx) error
	ShowByOldId(c *fiber.Ctx) error
	Save(c *fiber.Ctx) error
	SaveThumbnail(c *fiber.Ctx) error
	Update(c *fiber.Ctx) error
	UpdateBanner(c *fiber.Ctx) error
	Delete(c *fiber.Ctx) error
	Viewer(c *fiber.Ctx) error
	SummaryStats(c *fiber.Ctx) error
	ArticlePerUserLevelStats(c *fiber.Ctx) error
	ArticleMonthlyStats(c *fiber.Ctx) error
	PublishScheduling(c *fiber.Ctx) error

	// Dynamic approval system methods
	SubmitForApproval(c *fiber.Ctx) error
	GetApprovalStatus(c *fiber.Ctx) error
	GetPendingApprovals(c *fiber.Ctx) error
	GetArticlesWaitingForApproval(c *fiber.Ctx) error
}

func NewArticlesController(articlesService service.ArticlesService, log zerolog.Logger) ArticlesController {
	return &articlesController{
		articlesService: articlesService,
		Log:             log,
	}
}

// All Articles
// @Summary      Get all Articles
// @Description  API for getting all Articles
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param 	     req query request.ArticlesQueryRequest false "query parameters"
// @Param 	     req query paginator.Pagination false "pagination parameters"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles [get]
func (_i *articlesController) All(c *fiber.Ctx) error {
	paginate, err := paginator.Paginate(c)
	if err != nil {
		return err
	}

	reqContext := request.ArticlesQueryRequestContext{
		Title:       c.Query("title"),
		Description: c.Query("description"),
		Tags:        c.Query("tags"),
		Category:    c.Query("category"),
		CategoryId:  c.Query("categoryId"),
		TypeId:      c.Query("typeId"),
		StatusId:    c.Query("statusId"),
		IsPublish:   c.Query("isPublish"),
		IsDraft:     c.Query("isDraft"),
		IsBanner:    c.Query("isBanner"),
		ClientSlug:  c.Query("clientSlug"),
	}
	req := reqContext.ToParamRequest()
	req.Pagination = paginate

	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	articlesData, paging, err := _i.articlesService.All(authToken, req)
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Articles list successfully retrieved"},
		Data:     articlesData,
		Meta:     paging,
	})
}

// Show Articles
// @Summary      Get one Articles
// @Description  API for getting one Articles
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/{id} [get]
func (_i *articlesController) Show(c *fiber.Ctx) error {
	id, err := strconv.ParseUint(c.Params("id"), 10, 0)
	if err != nil {
		return err
	}

	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	articlesData, err := _i.articlesService.Show(authToken, uint(id))
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Articles successfully retrieved"},
		Data:     articlesData,
	})
}

// ShowByOldId Articles
// @Summary      Get one Articles
// @Description  API for getting one Articles
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/old-id/{id} [get]
func (_i *articlesController) ShowByOldId(c *fiber.Ctx) error {
	id, err := strconv.ParseUint(c.Params("id"), 10, 0)
	if err != nil {
		return err
	}

	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	articlesData, err := _i.articlesService.ShowByOldId(authToken, uint(id))
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Articles successfully retrieved"},
		Data:     articlesData,
	})
}

// Save Articles
// @Summary      Create Articles
// @Description  API for create Articles
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param 	     payload body request.ArticlesCreateRequest true "Required payload"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles [post]
func (_i *articlesController) Save(c *fiber.Ctx) error {
	req := new(request.ArticlesCreateRequest)
	if err := utilVal.ParseAndValidate(c, req); err != nil {
		return err
	}

	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	dataResult, err := _i.articlesService.Save(authToken, *req)
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Articles successfully created"},
		Data:     dataResult,
	})
}

// SaveThumbnail Articles
// @Summary      Save Thumbnail Articles
// @Description  API for Save Thumbnail of Articles
// @Tags         Articles
// @Security     Bearer
// @Produce      json
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        id path int true "Articles ID"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/thumbnail/{id} [post]
func (_i *articlesController) SaveThumbnail(c *fiber.Ctx) error {
	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	err := _i.articlesService.SaveThumbnail(authToken, c)
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Thumbnail of Articles successfully created"},
	})
}

// Update Articles
// @Summary      Update Articles
// @Description  API for update Articles
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param 	     payload body request.ArticlesUpdateRequest true "Required payload"
// @Param        id path int true "Articles ID"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/{id} [put]
func (_i *articlesController) Update(c *fiber.Ctx) error {
	id, err := strconv.ParseUint(c.Params("id"), 10, 0)
	if err != nil {
		return err
	}

	req := new(request.ArticlesUpdateRequest)
	if err := utilVal.ParseAndValidate(c, req); err != nil {
		return err
	}

	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	err = _i.articlesService.Update(authToken, uint(id), *req)
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Articles successfully updated"},
	})
}

// UpdateBanner Articles
// @Summary      Update Banner Articles
// @Description  API for Update Banner Articles
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        id path int true "Articles ID"
// @Param        isBanner query bool true "Articles Banner Status"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/banner/{id} [put]
func (_i *articlesController) UpdateBanner(c *fiber.Ctx) error {
	id, err := strconv.ParseUint(c.Params("id"), 10, 0)
	if err != nil {
		return err
	}

	isBanner, err := strconv.ParseBool(c.Query("isBanner"))
	if err != nil {
		return err
	}

	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	err = _i.articlesService.UpdateBanner(authToken, uint(id), isBanner)
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Articles successfully banner updated"},
	})
}

// Delete Articles
// @Summary      Delete Articles
// @Description  API for delete Articles
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        id path int true "Articles ID"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/{id} [delete]
func (_i *articlesController) Delete(c *fiber.Ctx) error {
	id, err := strconv.ParseUint(c.Params("id"), 10, 0)
	if err != nil {
		return err
	}

	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	err = _i.articlesService.Delete(authToken, uint(id))
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Articles successfully deleted"},
	})
}

// Viewer Articles
// @Summary      Viewer Articles Thumbnail
// @Description  API for View Thumbnail of Article
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        thumbnailName path string true "Articles Thumbnail Name"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/thumbnail/viewer/{thumbnailName} [get]
func (_i *articlesController) Viewer(c *fiber.Ctx) error {
	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	return _i.articlesService.Viewer(authToken, c)
}

// SummaryStats Articles
// @Summary      SummaryStats Articles
// @Description  API for Summary Stats of Article
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/statistic/summary [get]
func (_i *articlesController) SummaryStats(c *fiber.Ctx) error {
	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	response, err := _i.articlesService.SummaryStats(authToken)
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Summary Stats of Articles successfully retrieved"},
		Data:     response,
	})
}

// ArticlePerUserLevelStats Articles
// @Summary      ArticlePerUserLevelStats Articles
// @Description  API for ArticlePerUserLevelStats of Article
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param 	     startDate query string false "start date"
// @Param 	     endDate query string false "start date"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/statistic/user-levels [get]
func (_i *articlesController) ArticlePerUserLevelStats(c *fiber.Ctx) error {
	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	startDate := c.Query("startDate")
	endDate := c.Query("endDate")

	response, err := _i.articlesService.ArticlePerUserLevelStats(authToken, &startDate, &endDate)
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"ArticlePerUserLevelStats of Articles successfully retrieved"},
		Data:     response,
	})
}

// ArticleMonthlyStats Articles
// @Summary      ArticleMonthlyStats Articles
// @Description  API for ArticleMonthlyStats of Article
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param 	     year query int false "year"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/statistic/monthly [get]
func (_i *articlesController) ArticleMonthlyStats(c *fiber.Ctx) error {
	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	year := c.Query("year")
	yearInt, err := strconv.Atoi(year)
	if err != nil {
		return err
	}

	response, err := _i.articlesService.ArticleMonthlyStats(authToken, &yearInt)
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"ArticleMonthlyStats of Articles successfully retrieved"},
		Data:     response,
	})
}

// PublishScheduling Articles
// @Summary      PublishScheduling Articles
// @Description  API for Publish Schedule of Article
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param 	     id query int false "article id"
// @Param 	     date query string false "publish date"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/publish-scheduling [post]
func (_i *articlesController) PublishScheduling(c *fiber.Ctx) error {
	id, err := strconv.ParseUint(c.Query("id"), 10, 0)
	if err != nil {
		return err
	}
	date := c.Query("date")

	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	err = _i.articlesService.PublishScheduling(authToken, uint(id), date)
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Publish Scheduling of Articles successfully saved"},
	})
}

// SubmitForApproval Articles
// @Summary      Submit Article for Approval
// @Description  API for submitting article for approval workflow
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        id path int true "article id"
// @Param        req body request.SubmitForApprovalRequest false "approval request data"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/{id}/submit-approval [post]
func (_i *articlesController) SubmitForApproval(c *fiber.Ctx) error {
	id, err := strconv.ParseUint(c.Params("id"), 10, 0)
	if err != nil {
		return err
	}

	var req request.SubmitForApprovalRequest
	if err := c.BodyParser(&req); err != nil {
		return err
	}

	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	err = _i.articlesService.SubmitForApproval(authToken, uint(id), req.WorkflowId)
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Article successfully submitted for approval"},
	})
}

// GetApprovalStatus Articles
// @Summary      Get Article Approval Status
// @Description  API for getting article approval status and workflow progress
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        id path int true "article id"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/{id}/approval-status [get]
func (_i *articlesController) GetApprovalStatus(c *fiber.Ctx) error {
	id, err := strconv.ParseUint(c.Params("id"), 10, 0)
	if err != nil {
		return err
	}

	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	response, err := _i.articlesService.GetApprovalStatus(authToken, uint(id))
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Article approval status successfully retrieved"},
		Data:     response,
	})
}

// GetPendingApprovals Articles
// @Summary      Get Pending Approvals
// @Description  API for getting articles pending approval for current user level
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        page query int false "page number"
// @Param        limit query int false "items per page"
// @Param        typeId query int false "article type id"
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/pending-approval [get]
func (_i *articlesController) GetPendingApprovals(c *fiber.Ctx) error {
	page, err := strconv.Atoi(c.Query("page", "1"))
	if err != nil {
		page = 1
	}

	limit, err := strconv.Atoi(c.Query("limit", "10"))
	if err != nil {
		limit = 10
	}

	// Parse typeId filter
	var typeId *int
	if typeIdStr := c.Query("typeId"); typeIdStr != "" {
		if parsedTypeId, err := strconv.Atoi(typeIdStr); err == nil {
			typeId = &parsedTypeId
		}
	}

	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	response, paging, err := _i.articlesService.GetPendingApprovals(authToken, page, limit, typeId) // Updated with typeId filter
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Pending approvals successfully retrieved"},
		Data:     response,
		Meta:     paging,
	})
}

// GetArticlesWaitingForApproval
// @Summary      Get articles waiting for approval by current user level
// @Description  API for getting articles that are waiting for approval by the current user's level
// @Tags         Articles
// @Security     Bearer
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        Authorization header string false "Insert your access token" default(Bearer <Add access token here>)
// @Param        page query int false "Page number" default(1)
// @Param        limit query int false "Items per page" default(10)
// @Success      200  {object}  response.Response
// @Failure      400  {object}  response.BadRequestError
// @Failure      401  {object}  response.UnauthorizedError
// @Failure      500  {object}  response.InternalServerError
// @Router       /articles/waiting-for-approval [get]
func (_i *articlesController) GetArticlesWaitingForApproval(c *fiber.Ctx) error {
	page, err := strconv.Atoi(c.Query("page", "1"))
	if err != nil {
		return err
	}

	limit, err := strconv.Atoi(c.Query("limit", "10"))
	if err != nil {
		return err
	}

	// Get Authorization token from header
	authToken := c.Get("Authorization")
	_i.Log.Info().Str("authToken", authToken).Msg("")

	responses, paging, err := _i.articlesService.GetArticlesWaitingForApproval(authToken, page, limit)
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Articles waiting for approval retrieved successfully"},
		Data:     responses,
		Meta:     paging,
	})
}