package io.gitlab.jfronny.inceptum.common.api;

import io.gitlab.jfronny.commons.HttpUtils;
import io.gitlab.jfronny.gson.compile.util.GList;
import io.gitlab.jfronny.gson.stream.JsonReader;
import io.gitlab.jfronny.inceptum.common.model.gitlab.*;

import java.io.IOException;
import java.io.Reader;
import java.net.URISyntaxException;
import java.util.List;
import java.util.function.Predicate;

public class GitlabApi {
    public static final String PROJECTS = "https://gitlab.com/api/v4/projects/";

    public static final long PROJECT_ID = 30862253L;
    public static final String PROJECT_MAVEN = "https://gitlab.com/api/v4/projects/" + PROJECT_ID + "/packages/maven/";

    public static GitlabProject getProject(Long projectId) throws IOException, URISyntaxException {
        try (Reader r = HttpUtils.get(PROJECTS + projectId).sendReader()) {
            return GC_GitlabProject.read(r);
        }
    }

    public static List<GitlabPackage> getPackages(GitlabProject project) throws IOException, URISyntaxException {
        try (JsonReader r = new JsonReader(HttpUtils.get(PROJECTS + project.id + "/packages?order_by=created_at&sort=desc").sendReader())) {
            return GList.read(r, GC_GitlabPackage::read);
        }
    }

    public static List<GitlabJob> getJobs(GitlabProject project, Long pipelineId) throws IOException, URISyntaxException {
        try (JsonReader r = new JsonReader(HttpUtils.get(PROJECTS + project.id + "/pipelines/" + pipelineId + "/jobs").sendReader())) {
            List<GitlabJob> list = GList.read(r, GC_GitlabJob::read);
            list.sort((left, right) -> right.created_at.compareTo(left.created_at));
            return list;
        }
    }

    public static GitlabPackageFile getFile(GitlabProject project, GitlabPackage packageInfo, Predicate<GitlabPackageFile> isValid) throws IOException, URISyntaxException {
        int page = 0;
        while (true) {
            try (JsonReader r = new JsonReader(HttpUtils.get(PROJECTS + project.id + "/packages/" + packageInfo.id + "/package_files?per_page=100&page=" + ++page).sendReader())) {
                List<GitlabPackageFile> files = GList.read(r, GC_GitlabPackageFile::read);
                if (files.isEmpty()) return null;
                for (GitlabPackageFile file : files) {
                    if (isValid.test(file))
                        return file;
                }
            }
        }
    }
}