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// Code generated by ndpgen. DO NOT EDIT.
//
// This file contains export wrappers for the SonicSimilarity capability.
// It is intended for use in Navidrome plugins built with TinyGo.
//
//go:build wasip1

package sonicsimilarity

import (
	"github.com/navidrome/navidrome/plugins/pdk/go/pdk"
)

// FindSonicPathRequest represents the FindSonicPathRequest data structure.
type FindSonicPathRequest struct {
	StartSong SongRef `json:"startSong"`
	EndSong   SongRef `json:"endSong"`
	Count     int32   `json:"count"`
}

// GetSonicSimilarTracksRequest represents the GetSonicSimilarTracksRequest data structure.
type GetSonicSimilarTracksRequest struct {
	Song  SongRef `json:"song"`
	Count int32   `json:"count"`
}

// SongRef is a reference to a song with metadata for matching.
type SongRef struct {
	// ID is the internal Navidrome mediafile ID (if known).
	ID string `json:"id,omitempty"`
	// Name is the song name.
	Name string `json:"name"`
	// MBID is the MusicBrainz ID for the song.
	MBID string `json:"mbid,omitempty"`
	// ISRC is the International Standard Recording Code for the song.
	ISRC string `json:"isrc,omitempty"`
	// Artist is the artist name.
	Artist string `json:"artist,omitempty"`
	// ArtistMBID is the MusicBrainz artist ID.
	ArtistMBID string `json:"artistMbid,omitempty"`
	// Album is the album name.
	Album string `json:"album,omitempty"`
	// AlbumMBID is the MusicBrainz release ID.
	AlbumMBID string `json:"albumMbid,omitempty"`
	// Duration is the song duration in seconds.
	Duration float32 `json:"duration,omitempty"`
}

// SonicMatch represents the SonicMatch data structure.
type SonicMatch struct {
	Song       SongRef `json:"song"`
	Similarity float64 `json:"similarity"`
}

// SonicSimilarityResponse represents the SonicSimilarityResponse data structure.
type SonicSimilarityResponse struct {
	Matches []SonicMatch `json:"matches"`
}

// SonicSimilarity requires all methods to be implemented.
// SonicSimilarity provides audio-similarity based track discovery.
type SonicSimilarity interface {
	// GetSonicSimilarTracks
	GetSonicSimilarTracks(GetSonicSimilarTracksRequest) (SonicSimilarityResponse, error)
	// FindSonicPath
	FindSonicPath(FindSonicPathRequest) (SonicSimilarityResponse, error)
} // Internal implementation holders
var (
	sonicSimilarTracksImpl func(GetSonicSimilarTracksRequest) (SonicSimilarityResponse, error)
	findSonicPathImpl      func(FindSonicPathRequest) (SonicSimilarityResponse, error)
)

// Register registers a sonicsimilarity implementation.
// All methods are required.
func Register(impl SonicSimilarity) {
	sonicSimilarTracksImpl = impl.GetSonicSimilarTracks
	findSonicPathImpl = impl.FindSonicPath
}

// NotImplementedCode is the standard return code for unimplemented functions.
// The host recognizes this and skips the plugin gracefully.
const NotImplementedCode int32 = -2

//go:wasmexport nd_get_sonic_similar_tracks
func _NdGetSonicSimilarTracks() int32 {
	if sonicSimilarTracksImpl == nil {
		// Return standard code - host will skip this plugin gracefully
		return NotImplementedCode
	}

	var input GetSonicSimilarTracksRequest
	if err := pdk.InputJSON(&input); err != nil {
		pdk.SetError(err)
		return -1
	}

	output, err := sonicSimilarTracksImpl(input)
	if err != nil {
		pdk.SetError(err)
		return -1
	}

	if err := pdk.OutputJSON(output); err != nil {
		pdk.SetError(err)
		return -1
	}

	return 0
}

//go:wasmexport nd_find_sonic_path
func _NdFindSonicPath() int32 {
	if findSonicPathImpl == nil {
		// Return standard code - host will skip this plugin gracefully
		return NotImplementedCode
	}

	var input FindSonicPathRequest
	if err := pdk.InputJSON(&input); err != nil {
		pdk.SetError(err)
		return -1
	}

	output, err := findSonicPathImpl(input)
	if err != nil {
		pdk.SetError(err)
		return -1
	}

	if err := pdk.OutputJSON(output); err != nil {
		pdk.SetError(err)
		return -1
	}

	return 0
}