package db

import (
	"context"
	"fmt"

	"github.com/flatrender/render-svc/internal/models"
	"github.com/google/uuid"
)

const exportCols = `id, tenant_id, user_id, saved_project_id, project_id, render_job_id,
	image, path, file_extension, file_type::text, render_quality::text,
	create_type::text, size_bytes, duration_sec, width, height,
	produce_date, auto_delete_date, delete_notified, created_at, deleted_at`

// ListAllExports returns every export across users (admin view), paginated.
func (s *Store) ListAllExports(ctx context.Context, page, pageSize int) ([]*models.Export, int64, error) {
	var total int64
	_ = s.pool.QueryRow(ctx, `SELECT COUNT(*) FROM render.exports WHERE deleted_at IS NULL`).Scan(&total)

	rows, err := s.pool.Query(ctx,
		`SELECT `+exportCols+`
		 FROM render.exports WHERE deleted_at IS NULL
		 ORDER BY produce_date DESC LIMIT $1 OFFSET $2`,
		pageSize, (page-1)*pageSize)
	if err != nil {
		return nil, 0, err
	}
	defer rows.Close()
	exports, err := scanExports(rows)
	return exports, total, err
}

// GetExportByIDAny fetches an export regardless of owner (admin).
func (s *Store) GetExportByIDAny(ctx context.Context, id uuid.UUID) (*models.Export, error) {
	rows, err := s.pool.Query(ctx,
		`SELECT `+exportCols+` FROM render.exports WHERE id = $1 AND deleted_at IS NULL`, id)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	exports, err := scanExports(rows)
	if err != nil {
		return nil, err
	}
	if len(exports) == 0 {
		return nil, fmt.Errorf("export not found")
	}
	return exports[0], nil
}

// SoftDeleteExportAny deletes an export regardless of owner (admin).
func (s *Store) SoftDeleteExportAny(ctx context.Context, id uuid.UUID) error {
	tag, err := s.pool.Exec(ctx,
		`UPDATE render.exports SET deleted_at = NOW() WHERE id = $1 AND deleted_at IS NULL`, id)
	if err != nil {
		return err
	}
	if tag.RowsAffected() == 0 {
		return fmt.Errorf("export not found")
	}
	return nil
}