import org.apache.commons.codec.Charsets
import org.apache.http.HttpResponse
import org.apache.http.client.HttpClient
import org.apache.http.client.config.CookieSpecs
import org.apache.http.client.config.RequestConfig
import org.apache.http.client.methods.HttpPost
import org.apache.http.entity.ContentType
import org.apache.http.entity.mime.MultipartEntityBuilder
import org.apache.http.impl.client.HttpClientBuilder
import org.apache.http.client.methods.HttpGet
import com.google.gson.Gson

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath "org.apache.httpcomponents:httpmime:4.5.13"
        classpath "com.google.code.gson:gson:2.8.6"
        classpath "org.apache.httpcomponents:httpclient:4.5.13"
    }
}

apply from: 'env-variables.gradle'

static String getValueFromCurseAPI(apiKey, endpoint) {
    String API_BASE_URL = 'https://minecraft.curseforge.com'

    HttpClient client = HttpClientBuilder.create()
            .setDefaultRequestConfig(RequestConfig.custom()
                    .setCookieSpec(CookieSpecs.IGNORE_COOKIES).build()).build()

    HttpGet get = new HttpGet(API_BASE_URL + endpoint)
    get.setHeader('X-Api-Token', apiKey)

    HttpResponse response = client.execute(get)

    int statusCode = response.statusLine.statusCode

    if (statusCode == 200) {
        byte[] data = response.entity.content.bytes
        return new String(data, Charsets.UTF_8)
    } else {
        if (response.getFirstHeader('content-type').value.contains('json')) {
            InputStreamReader reader = new InputStreamReader(response.entity.content)
            reader.close()
            throw new RuntimeException("[CurseForge] Error")
        } else {
            throw new RuntimeException("[CurseForge] HTTP Error Code $response.statusLine.statusCode: $response.statusLine.reasonPhrase")
        }
    }
}

/**
 * Upload a single file (in case you also want to upload the other files like source n stuff)
 * @param json
 * @param file
 * @return
 * @throws IOException
 * @throws URISyntaxException
 */
UploadResponse uploadFile(Metadata metadata, File file, String apiKey, Gson gson) throws IOException, URISyntaxException {
    String API_BASE_URL = 'https://minecraft.curseforge.com'
    String UPLOAD_URL = "/api/projects/%s/upload-file"
    // Upload
    // Important info
    String uploadUrl = String.format(API_BASE_URL + UPLOAD_URL, project.curse_project_id)

    HttpClient client = HttpClientBuilder.create()
            .setDefaultRequestConfig(RequestConfig.custom()
                    .setCookieSpec(CookieSpecs.IGNORE_COOKIES).build()).build()

    HttpPost post = new HttpPost(uploadUrl)
    post.setHeader('X-Api-Token', apiKey)


    // https://support.curseforge.com/en/support/solutions/articles/9000197321-curseforge-api
    post.setEntity(MultipartEntityBuilder.create()
            .addTextBody('metadata', gson.toJson(metadata), ContentType.APPLICATION_JSON)
            .addBinaryBody('file', file)
            .build())

    HttpResponse response = client.execute(post)
    InputStreamReader reader = new InputStreamReader(response.entity.content)
    UploadResponse uploadResponse = gson.fromJson(reader, UploadResponse)
    reader.close()
    return uploadResponse
}

class GameVersion {
    int id
    int gameVersionTypeID
    String name
    String slug
}

/**
 * As described here https://support.curseforge.com/en/support/solutions/articles/9000197321-curseforge-api
 */
class Metadata {
    String changelog
    String changelogType
    int[] gameVersions
    String releaseType
}

class UploadResponse {
    int id
}


// Based on https://github.com/matthewprenger/CurseGradle as it didnt support Bukkit uploads at the time.
task curseforge {
    dependsOn(jar)
    doLast {
        String apiKey = null

        if (System.getenv("CURSE_API") != null) {
            apiKey = System.getenv("CURSE_API")
        }

        if(apiKey != null) {

            Gson gson =  new Gson()

            //String VERSION_TYPES_URL = "/api/game/version-types"
            int gameVersionTypeID = 1
            String VERSION_URL = "/api/game/versions"
            println("Uploading to CurseForge")

            // Get game versions
            String gameVersionsString = getValueFromCurseAPI(apiKey, VERSION_URL)
            GameVersion[] gameVersions = gson.fromJson(gameVersionsString, GameVersion[].class)
            def versions = gameVersions.findAll {it.gameVersionTypeID == gameVersionTypeID}

            String[] supportedVersions = [
                    "1.18",
                    "1.17",
                    "1.16",
                    "1.15",
                    "1.14",
                    "1.13"
            ]

            def supportedGameVersions = versions.findAll {supportedVersions.contains(it.name)}
            int[] supportedGameVersionIds = supportedGameVersions.collect {it.id}.toArray()

            println("Supported Version Id's ${supportedGameVersionIds}")

            Metadata uploadMetadata = new Metadata()

            uploadMetadata.changelog = "${project.github}/blob/${ext.githubSha}/docs/changelogs/CHANGELOG.md"
            uploadMetadata.changelogType = "markdown"
            uploadMetadata.releaseType = ext.isDevBranch ? "beta" : "release"
            uploadMetadata.gameVersions = supportedGameVersionIds

            def uploadId = uploadFile(uploadMetadata, file(jar.archiveFile), apiKey, gson)

            println("Uploaded with ID: ${uploadId.id}")

            println("Published build")

        } else {
            println("Curse token unspecified")
        }
    }
//        id = project.curse_project_id
//        // TODO add code to reference this but also cut the latest change logs in for the files
//        changelog = "${project.github}/blob/${sha}/CHANGELOG.md"
//        changelogType = 'markdown'
//        releaseType = 'release'
}