// Test Artwork plugin for Navidrome plugin system integration tests.
// Build with: tinygo build -o ../test-artwork.wasm -target wasip1 -buildmode=c-shared .
package main

import (
	"strings"

	"github.com/navidrome/navidrome/plugins/pdk/go/host"
	"github.com/navidrome/navidrome/plugins/pdk/go/pdk"
)

// TestInput is the input for nd_test_artwork callback.
type TestInput struct {
	ArtworkType string `json:"artwork_type"` // "artist", "album", "track", "playlist"
	ID          string `json:"id"`
	Size        int32  `json:"size"`
}

// TestOutput is the output from nd_test_artwork callback.
type TestOutput struct {
	URL   string  `json:"url,omitempty"`
	Error *string `json:"error,omitempty"`
}

// nd_test_artwork is the test callback that tests the artwork host functions.
//
//go:wasmexport nd_test_artwork
func ndTestArtwork() int32 {
	var input TestInput
	if err := pdk.InputJSON(&input); err != nil {
		errStr := err.Error()
		pdk.OutputJSON(TestOutput{Error: &errStr})
		return 0
	}

	var url string
	var err error

	switch strings.ToLower(input.ArtworkType) {
	case "artist":
		url, err = host.ArtworkGetArtistUrl(input.ID, input.Size)
	case "album":
		url, err = host.ArtworkGetAlbumUrl(input.ID, input.Size)
	case "track":
		url, err = host.ArtworkGetTrackUrl(input.ID, input.Size)
	case "playlist":
		url, err = host.ArtworkGetPlaylistUrl(input.ID, input.Size)
	default:
		errStr := "unknown artwork type: " + input.ArtworkType
		pdk.OutputJSON(TestOutput{Error: &errStr})
		return 0
	}

	if err != nil {
		errStr := err.Error()
		pdk.OutputJSON(TestOutput{Error: &errStr})
		return 0
	}

	pdk.OutputJSON(TestOutput{URL: url})
	return 0
}

func main() {}