package handlers

import (
	"context"

	"Yimaru-Backend/internal/domain"

	"github.com/gofiber/fiber/v2"
)

func (h *Handler) applyExamPrepAccessCatalogCourses(ctx context.Context, c *fiber.Ctx, items []domain.ExamPrepCatalogCourse) error {
	role, _ := c.Locals("role").(domain.Role)
	if !role.IsCustomerLearnerRole() {
		return nil
	}
	userID, ok := c.Locals("user_id").(int64)
	if !ok || userID == 0 {
		return nil
	}
	for i := range items {
		if err := h.lmsProgressSvc.ApplyExamPrepAccessCatalogCourse(ctx, role, userID, &items[i]); err != nil {
			return err
		}
	}
	return nil
}

func (h *Handler) applyExamPrepAccessCatalogCourse(ctx context.Context, c *fiber.Ctx, item *domain.ExamPrepCatalogCourse) error {
	role, _ := c.Locals("role").(domain.Role)
	if !role.IsCustomerLearnerRole() {
		return nil
	}
	userID, ok := c.Locals("user_id").(int64)
	if !ok || userID == 0 {
		return nil
	}
	return h.lmsProgressSvc.ApplyExamPrepAccessCatalogCourse(ctx, role, userID, item)
}

func (h *Handler) applyExamPrepAccessUnits(ctx context.Context, c *fiber.Ctx, items []domain.ExamPrepUnit) error {
	role, _ := c.Locals("role").(domain.Role)
	if !role.IsCustomerLearnerRole() {
		return nil
	}
	userID, ok := c.Locals("user_id").(int64)
	if !ok || userID == 0 {
		return nil
	}
	for i := range items {
		if err := h.lmsProgressSvc.ApplyExamPrepAccessUnit(ctx, role, userID, &items[i]); err != nil {
			return err
		}
	}
	return nil
}

func (h *Handler) applyExamPrepAccessUnit(ctx context.Context, c *fiber.Ctx, item *domain.ExamPrepUnit) error {
	role, _ := c.Locals("role").(domain.Role)
	if !role.IsCustomerLearnerRole() {
		return nil
	}
	userID, ok := c.Locals("user_id").(int64)
	if !ok || userID == 0 {
		return nil
	}
	return h.lmsProgressSvc.ApplyExamPrepAccessUnit(ctx, role, userID, item)
}

func (h *Handler) applyExamPrepAccessModules(ctx context.Context, c *fiber.Ctx, items []domain.ExamPrepModule) error {
	role, _ := c.Locals("role").(domain.Role)
	if !role.IsCustomerLearnerRole() {
		return nil
	}
	userID, ok := c.Locals("user_id").(int64)
	if !ok || userID == 0 {
		return nil
	}
	for i := range items {
		if err := h.lmsProgressSvc.ApplyExamPrepAccessModule(ctx, role, userID, &items[i]); err != nil {
			return err
		}
	}
	return nil
}

func (h *Handler) applyExamPrepAccessModule(ctx context.Context, c *fiber.Ctx, item *domain.ExamPrepModule) error {
	role, _ := c.Locals("role").(domain.Role)
	if !role.IsCustomerLearnerRole() {
		return nil
	}
	userID, ok := c.Locals("user_id").(int64)
	if !ok || userID == 0 {
		return nil
	}
	return h.lmsProgressSvc.ApplyExamPrepAccessModule(ctx, role, userID, item)
}

func (h *Handler) applyExamPrepAccessLessons(ctx context.Context, c *fiber.Ctx, items []domain.ExamPrepLesson) error {
	role, _ := c.Locals("role").(domain.Role)
	if !role.IsCustomerLearnerRole() {
		return nil
	}
	userID, ok := c.Locals("user_id").(int64)
	if !ok || userID == 0 {
		return nil
	}
	for i := range items {
		if err := h.lmsProgressSvc.ApplyExamPrepAccessLesson(ctx, role, userID, &items[i]); err != nil {
			return err
		}
	}
	return nil
}

func (h *Handler) applyExamPrepAccessLesson(ctx context.Context, c *fiber.Ctx, item *domain.ExamPrepLesson) error {
	role, _ := c.Locals("role").(domain.Role)
	if !role.IsCustomerLearnerRole() {
		return nil
	}
	userID, ok := c.Locals("user_id").(int64)
	if !ok || userID == 0 {
		return nil
	}
	return h.lmsProgressSvc.ApplyExamPrepAccessLesson(ctx, role, userID, item)
}