package ports

import (
	"Yimaru-Backend/internal/domain"
	"context"
)

type CourseStore interface {
	// Course Categories
	CreateCourseCategory(
		ctx context.Context,
		name string,
	) (domain.CourseCategory, error)
	GetCourseCategoryByID(
		ctx context.Context,
		id int64,
	) (domain.CourseCategory, error)
	GetAllCourseCategories(
		ctx context.Context,
		limit int32,
		offset int32,
	) ([]domain.CourseCategory, int64, error)
	UpdateCourseCategory(
		ctx context.Context,
		id int64,
		name *string,
		isActive *bool,
	) error
	DeleteCourseCategory(
		ctx context.Context,
		id int64,
	) error

	// Courses
	CreateCourse(
		ctx context.Context,
		categoryID int64,
		title string,
		description *string,
		thumbnail *string,
		introVideoURL *string,
	) (domain.Course, error)
	GetCourseByID(
		ctx context.Context,
		id int64,
	) (domain.Course, error)
	GetCoursesByCategory(
		ctx context.Context,
		categoryID int64,
		limit int32,
		offset int32,
	) ([]domain.Course, int64, error)
	UpdateCourse(
		ctx context.Context,
		id int64,
		title *string,
		description *string,
		thumbnail *string,
		introVideoURL *string,
		isActive *bool,
	) error
	DeleteCourse(
		ctx context.Context,
		id int64,
	) error

	// Sub-courses
	CreateSubCourse(
		ctx context.Context,
		courseID int64,
		title string,
		description *string,
		thumbnail *string,
		displayOrder *int32,
		level string,
		subLevel string,
	) (domain.SubCourse, error)
	GetSubCourseByID(
		ctx context.Context,
		id int64,
	) (domain.SubCourse, error)
	GetSubCoursesByCourse(
		ctx context.Context,
		courseID int64,
	) ([]domain.SubCourse, int64, error)
	ListSubCoursesByCourse(
		ctx context.Context,
		courseID int64,
	) ([]domain.SubCourse, error)
	ListActiveSubCourses(
		ctx context.Context,
	) ([]domain.SubCourse, error)
	UpdateSubCourse(
		ctx context.Context,
		id int64,
		title *string,
		description *string,
		thumbnail *string,
		displayOrder *int32,
		level *string,
		subLevel *string,
		isActive *bool,
	) error
	DeactivateSubCourse(
		ctx context.Context,
		id int64,
	) error
	DeleteSubCourse(
		ctx context.Context,
		id int64,
	) (domain.SubCourse, error)

	// Sub-course Videos
	CreateSubCourseVideo(
		ctx context.Context,
		subCourseID int64,
		title string,
		description *string,
		videoURL string,
		duration int32,
		resolution *string,
		instructorID *string,
		thumbnail *string,
		visibility *string,
		displayOrder *int32,
		status *string,
		vimeoID *string,
		vimeoEmbedURL *string,
		vimeoPlayerHTML *string,
		vimeoStatus *string,
		videoHostProvider *string,
	) (domain.SubCourseVideo, error)
	GetSubCourseVideoByID(
		ctx context.Context,
		id int64,
	) (domain.SubCourseVideo, error)
	GetVideosBySubCourse(
		ctx context.Context,
		subCourseID int64,
	) ([]domain.SubCourseVideo, int64, error)
	GetPublishedVideosBySubCourse(
		ctx context.Context,
		subCourseID int64,
	) ([]domain.SubCourseVideo, error)
	GetFirstIncompletePreviousVideo(
		ctx context.Context,
		userID int64,
		videoID int64,
	) (*domain.VideoAccessBlock, error)
	MarkVideoCompleted(
		ctx context.Context,
		userID int64,
		videoID int64,
	) error
	PublishSubCourseVideo(
		ctx context.Context,
		videoID int64,
	) error
	UpdateSubCourseVideo(
		ctx context.Context,
		id int64,
		title *string,
		description *string,
		videoURL *string,
		duration *int32,
		resolution *string,
		visibility *string,
		thumbnail *string,
		displayOrder *int32,
		status *string,
	) error
	ArchiveSubCourseVideo(
		ctx context.Context,
		id int64,
	) error
	DeleteSubCourseVideo(
		ctx context.Context,
		id int64,
	) error

	// Vimeo integration
	UpdateVimeoStatus(ctx context.Context, videoID int64, status string) error
	GetVideoByVimeoID(ctx context.Context, vimeoID string) (domain.SubCourseVideo, error)

	// Learning Tree
	GetFullLearningTree(ctx context.Context) ([]domain.TreeCourse, error)

	// Learning Path (full nested structure for a course)
	GetCourseLearningPath(ctx context.Context, courseID int64) (domain.LearningPath, error)

	// Reorder (drag-and-drop support)
	ReorderCourseCategories(ctx context.Context, ids []int64, positions []int32) error
	ReorderCourses(ctx context.Context, ids []int64, positions []int32) error
	ReorderSubCourses(ctx context.Context, ids []int64, positions []int32) error
	ReorderSubCourseVideos(ctx context.Context, ids []int64, positions []int32) error
	ReorderQuestionSets(ctx context.Context, ids []int64, positions []int32) error
}

type ProgressionStore interface {
	// Prerequisites (admin)
	AddSubCoursePrerequisite(ctx context.Context, subCourseID, prerequisiteSubCourseID int64) error
	RemoveSubCoursePrerequisite(ctx context.Context, subCourseID, prerequisiteSubCourseID int64) error
	GetSubCoursePrerequisites(ctx context.Context, subCourseID int64) ([]domain.SubCoursePrerequisite, error)
	GetSubCourseDependents(ctx context.Context, prerequisiteSubCourseID int64) ([]domain.SubCourseDependent, error)
	CountUnmetPrerequisites(ctx context.Context, subCourseID, userID int64) (int64, error)
	DeleteAllPrerequisitesForSubCourse(ctx context.Context, subCourseID int64) error

	// User progress
	StartSubCourseProgress(ctx context.Context, userID, subCourseID int64) (domain.UserSubCourseProgress, error)
	UpdateSubCourseProgress(ctx context.Context, userID, subCourseID int64, percentage int16) error
	CompleteSubCourse(ctx context.Context, userID, subCourseID int64) error
	RecalculateSubCourseProgress(ctx context.Context, userID, subCourseID int64) error
	GetUserSubCourseProgress(ctx context.Context, userID, subCourseID int64) (domain.UserSubCourseProgress, error)
	GetUserCourseProgress(ctx context.Context, userID, courseID int64) ([]domain.UserCourseProgressItem, error)
	GetSubCoursesWithProgressByCourse(ctx context.Context, userID, courseID int64) ([]domain.SubCourseWithProgress, error)
}