package builder

import (
	"git.dragse.it/anthrove/e621-sdk-go/pkg/e621/endpoints"
	"git.dragse.it/anthrove/e621-sdk-go/pkg/e621/model"
)

// DBExportFileBuilder defines an interface for building and executing requests to retrieve a specific exported database file.
type DBExportFileBuilder interface {
	// SetFile sets the name of the file to be retrieved.
	SetFile(fileName string) DBExportFileBuilder
	// Execute sends the request and returns the content of the exported database file or an error if the request fails.
	Execute() ([]byte, error)
}

// NewGetDBExportFileBuilder creates a new instance of DBExportFileBuilder.
//
// Parameters:
//   - requestContext: The context for the API request, including the host, user agent, username, and API key.
//
// Returns:
//   - DBExportFileBuilder: An instance of the DBExportFileBuilder interface.
func NewGetDBExportFileBuilder(requestContext model.RequestContext) DBExportFileBuilder {
	return &getDBExportFile{
		requestContext: requestContext,
	}
}

// getDBExportFile is an implementation of the DBExportFileBuilder interface.
type getDBExportFile struct {
	requestContext model.RequestContext
	fileName       string
}

// SetFile sets the name of the file to be retrieved.
//
// Parameters:
//   - fileName: The name of the exported database file.
//
// Returns:
//   - DBExportFileBuilder: The instance of the DBExportFileBuilder for method chaining.
func (g *getDBExportFile) SetFile(fileName string) DBExportFileBuilder {
	g.fileName = fileName
	return g
}

// Execute sends the API request to retrieve the content of a specific exported database file.
//
// Returns:
//   - []byte: The content of the exported database file.
//   - error: An error, if any, encountered during the API request or response handling.
func (g *getDBExportFile) Execute() ([]byte, error) {
	return endpoints.GetDBExportFile(g.requestContext, g.fileName)
}