package com.novasonic.app

import android.net.Uri
import androidx.media3.common.MediaItem
import androidx.media3.common.MediaMetadata
import org.json.JSONArray
import org.json.JSONObject

data class Track(
    val id: String,
    val url: String,
    val title: String,
    val artist: String,
    val album: String?,
    val artworkUrl: String?,
    val durationMs: Long
) {
    fun toMediaItem(): MediaItem {
        val metadata = MediaMetadata.Builder()
            .setTitle(title)
            .setArtist(artist)
            .setAlbumTitle(album)
            .apply {
                if (!artworkUrl.isNullOrEmpty()) setArtworkUri(Uri.parse(artworkUrl))
                if (durationMs > 0) setDurationMs(durationMs)
            }
            .build()
        return MediaItem.Builder()
            .setMediaId(id)
            .setUri(url)
            .setMediaMetadata(metadata)
            .build()
    }

    companion object {
        fun fromJson(obj: JSONObject) = Track(
            id        = obj.optString("id", ""),
            url       = obj.optString("url", ""),
            title     = obj.optString("title", ""),
            artist    = obj.optString("artist", ""),
            album     = obj.optString("album").takeIf { it.isNotEmpty() },
            artworkUrl = obj.optString("artworkUrl").takeIf { it.isNotEmpty() },
            durationMs = obj.optLong("durationMs", 0)
        )
    }
}

fun parseTrackList(json: String): List<Track> = try {
    val arr = JSONArray(json)
    List(arr.length()) { Track.fromJson(arr.getJSONObject(it)) }
} catch (_: Exception) {
    emptyList()
}