import org.apache.http.HttpEntity
import org.apache.http.client.methods.CloseableHttpResponse
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.CloseableHttpClient
import org.apache.http.impl.client.HttpClients

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath "org.apache.httpcomponents:httpmime:4.5.13"
    }
}

apply from: 'env-variables.gradle'

def getReleaseChangelog() {
    def changelogFile = file('CHANGELOG.md')
    def changelog = "## [${changelogFile.text.split('\n## \\[')[1]}\n\n"// ${project.github}/blob/${branch}/CHANGELOG.md
    return changelog;
}

task discordupload {
    dependsOn(jar)

    doLast {

        String discordWebhook = System.getenv("DISCORD_WEBHOOK")

        if(discordWebhook != null) {
            println("Logging Into Discord")

            CloseableHttpClient httpClient = HttpClients.createDefault()
            HttpPost uploadFile = new HttpPost(discordWebhook)

            MultipartEntityBuilder builder = MultipartEntityBuilder.create()
            if(!isRelease) {
                builder.addTextBody("content", "New snapshot or testing build")
            } else {
                def maxLength = 2000

                def content = "New release build\n" +
                        "```markdown\n" +
                        "${getReleaseChangelog()}\n" +
                        "```"

                if (content.length() > maxLength) {
                    def trimmedChangelog = getReleaseChangelog().take(maxLength - 15) // Reserve space for ending message
                    content = "New release build\n" +
                            "```markdown\n" +
                            "${trimmedChangelog}\n" +
                            "``` [Truncated]"
                }

                builder.addTextBody("content", content)
            }

            builder.addBinaryBody("file", file(jar.archiveFile).newInputStream(), ContentType.APPLICATION_OCTET_STREAM, jar.archiveName)

            HttpEntity multipart = builder.build()

            uploadFile.setEntity(multipart)
            CloseableHttpResponse response = httpClient.execute(uploadFile)
            response.getEntity()

            println("Posted build")

        } else {
            println("Discord webhook unspecified")
        }
    }
}