package controller

import (
	"narasi-ahli-be/app/module/notifications/request"
	"narasi-ahli-be/app/module/notifications/service"
	"strconv"

	"github.com/gofiber/fiber/v2"

	utilRes "narasi-ahli-be/utils/response"
	utilVal "narasi-ahli-be/utils/validator"
)

type notificationsController struct {
	notificationsService service.NotificationsService
}

type NotificationsController interface {
	Create(c *fiber.Ctx) error
	ListBySentTo(c *fiber.Ctx) error
	MarkRead(c *fiber.Ctx) error
	Delete(c *fiber.Ctx) error
}

func NewNotificationsController(notificationsService service.NotificationsService) NotificationsController {
	return &notificationsController{
		notificationsService: notificationsService,
	}
}

// Create Notification
// @Summary      Create Notification
// @Description  API untuk membuat notifikasi dan mengirim ke user berdasarkan sentTo
// @Tags         Notifications
// @Security     Bearer
// @Accept       json
// @Produce      json
// @Param        payload body request.CreateNotificationRequest true "Create Notification Payload"
// @Success      200  {object}  response.Response
// @Failure      401  {object}  response.Response
// @Failure      404  {object}  response.Response
// @Failure      422  {object}  response.Response
// @Failure      500  {object}  response.Response
// @Router       /notifications [post]
func (_i *notificationsController) Create(c *fiber.Ctx) error {
	req := new(request.CreateNotificationRequest)
	if err := utilVal.ParseAndValidate(c, req); err != nil {
		return err
	}

	data, err := _i.notificationsService.Create(req.SentTo, req.SendBy, req.SendByName, req.Message)
	if err != nil {
		return err
	}

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

// List Notification By SentTo
// @Summary      List Notification By SentTo
// @Description  API untuk mengambil list notifikasi berdasarkan penerima (sentTo)
// @Tags         Notifications
// @Security     Bearer
// @Param        sentTo path int true "SentTo (Receiver User ID)"
// @Param        page query int false "Page" default(1)
// @Param        limit query int false "Limit" default(10)
// @Param        isRead query bool false "Filter isRead (true/false)"
// @Success      200  {object}  response.Response
// @Failure      401  {object}  response.Response
// @Failure      404  {object}  response.Response
// @Failure      422  {object}  response.Response
// @Failure      500  {object}  response.Response
// @Router       /notifications/{sentTo} [get]
func (_i *notificationsController) ListBySentTo(c *fiber.Ctx) error {
	sentTo, err := strconv.Atoi(c.Params("sentTo"))
	if err != nil {
		return err
	}

	page, _ := strconv.Atoi(c.Query("page", "1"))
	limit, _ := strconv.Atoi(c.Query("limit", "10"))

	// optional filter isRead
	var isRead *bool
	if c.Query("isRead") != "" {
		val := c.QueryBool("isRead", false)
		isRead = &val
	}

	data, total, err := _i.notificationsService.ListBySentTo(sentTo, page, limit, isRead)
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Notifications list successfully retrieved"},
		Data: fiber.Map{
			"total": total,
			"page":  page,
			"limit": limit,
			"data":  data,
		},
	})
}

// Mark Read Notification
// @Summary      Mark Read Notification
// @Description  API untuk mengubah status notifikasi menjadi sudah dibaca
// @Tags         Notifications
// @Security     Bearer
// @Param        id path int true "Notification ID"
// @Success      200  {object}  response.Response
// @Failure      401  {object}  response.Response
// @Failure      404  {object}  response.Response
// @Failure      422  {object}  response.Response
// @Failure      500  {object}  response.Response
// @Router       /notifications/{id}/read [put]
func (_i *notificationsController) MarkRead(c *fiber.Ctx) error {
	id, err := strconv.ParseUint(c.Params("id"), 10, 0)
	if err != nil {
		return err
	}

	err = _i.notificationsService.MarkRead(uint64(id))
	if err != nil {
		return err
	}

	return utilRes.Resp(c, utilRes.Response{
		Success:  true,
		Messages: utilRes.Messages{"Notification successfully marked as read"},
	})
}

// Soft Delete Notification
// @Summary      Soft Delete Notification
// @Description  API untuk soft delete notifikasi (isActive=false)
// @Tags         Notifications
// @Security     Bearer
// @Param        id path int true "Notification ID"
// @Success      200  {object}  response.Response
// @Failure      401  {object}  response.Response
// @Failure      404  {object}  response.Response
// @Failure      422  {object}  response.Response
// @Failure      500  {object}  response.Response
// @Router       /notifications/{id} [delete]
func (_i *notificationsController) Delete(c *fiber.Ctx) error {
	id, err := strconv.ParseUint(c.Params("id"), 10, 0)
	if err != nil {
		return err
	}

	err = _i.notificationsService.Delete(uint64(id))
	if err != nil {
		return err
	}

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