Suwayomi-Server/server/src/main/kotlin/suwayomi/tachidesk/global/impl/AppUpdate.kt

package suwayomi.tachidesk.global.impl

import eu.kanade.tachiyomi.network.GET
import eu.kanade.tachiyomi.network.NetworkHelper
import kotlinx.serialization.json.Json
import kotlinx.serialization.json.jsonObject
import kotlinx.serialization.json.jsonPrimitive
import suwayomi.tachidesk.manga.impl.util.network.await
import uy.kohesive.injekt.injectLazy

/*
 * Copyright (C) Contributors to the Suwayomi project
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */

data class UpdateDataClass(
    /** [channel] mirrors [suwayomi.tachidesk.server.BuildConfig.BUILD_TYPE] */
    val channel: String,
    val tag: String,
    val url: String,
)

object AppUpdate {
    private const val LATEST_STABLE_CHANNEL_URL = "https://api.github.com/repos/Suwayomi/Suwayomi-Server/releases/latest"
    private const val LATEST_PREVIEW_CHANNEL_URL = "https://api.github.com/repos/Suwayomi/Suwayomi-Server-preview/releases/latest"

    private val json: Json by injectLazy()
    private val network: NetworkHelper by injectLazy()

    suspend fun checkUpdate(): List<UpdateDataClass> {
        val stableJson =
            json.parseToJsonElement(
                network.client.newCall(
                    GET(LATEST_STABLE_CHANNEL_URL),
                ).await().body.string(),
            ).jsonObject

        val previewJson =
            json.parseToJsonElement(
                network.client.newCall(
                    GET(LATEST_PREVIEW_CHANNEL_URL),
                ).await().body.string(),
            ).jsonObject

        return listOf(
            UpdateDataClass(
                "Stable",
                stableJson["tag_name"]!!.jsonPrimitive.content,
                stableJson["html_url"]!!.jsonPrimitive.content,
            ),
            UpdateDataClass(
                "Preview",
                previewJson["tag_name"]!!.jsonPrimitive.content,
                previewJson["html_url"]!!.jsonPrimitive.content,
            ),
        )
    }
}