package db

import (
	"context"
	"fmt"
	"sync"

	"github.com/jmoiron/sqlx"
)

type Files struct {
	ID uint

	Storages []FilesStorage
}

func (f *Files) Insert(tx *sqlx.Tx, data *InsertId[uint]) error {
	query := fmt.Sprintf(`
		INSERT INTO files (%s)
		VALUES ($1)
		RETURNING id`, data.fieldName)

	args := []any{data.id}

	err := tx.QueryRowx(query, args...).Scan(&f.ID)
	if err != nil {
		return err
	}

	syncDB := SyncDbOperations{
		wg:      sync.WaitGroup{},
		errChan: make(chan error),
	}

	InsertSliceParallel[uint](&syncDB, tx, f.Storages, &InsertId[uint]{id: f.ID})

	return syncDB.Wait()
}

func (f *Files) InsertCtx(ctx context.Context, tx *sqlx.Tx, data *InsertId[uint]) error {
	query := fmt.Sprintf(`
		INSERT INTO files (%s)
		VALUES ($1)
		RETURNING id`, data.fieldName)

	args := []any{data.id}

	err := tx.QueryRowxContext(ctx, query, args...).Scan(&f.ID)
	if err != nil {
		return err
	}

	syncDB := SyncDbOperations{
		wg:      sync.WaitGroup{},
		errChan: make(chan error),
	}

	InsertSliceParallel(&syncDB, tx, f.Storages, &InsertId[uint]{id: f.ID})

	return syncDB.Wait()
}

type FilesStorage struct {
	ID uint

	Storage string
}

func (f FilesStorage) Insert(tx *sqlx.Tx, data *InsertId[uint]) error {
	query := `
		INSERT INTO files (files_id, storage)
		VALUES ($1, $2)
		RETURNING id`

	args := []any{data.id, f.Storage}

	err := tx.QueryRowx(query, args...).Scan(&f.ID)
	if err != nil {
		return err
	}

	return nil
}

func (f FilesStorage) InsertCtx(ctx context.Context, tx *sqlx.Tx, data *InsertId[uint]) error {
	const query = `
		INSERT INTO featured_content (files_id, storage)
		VALUES ($1, $2)
		RETURNING id`

	args := []any{data.id, f.Storage}

	err := tx.QueryRowxContext(ctx, query, args...).Scan(&f.ID)
	if err != nil {
		return err
	}

	return nil
}