package tk.antoine_roux.wiki.model.internal;

import com.fasterxml.jackson.annotation.JsonProperty;

import java.time.ZonedDateTime;
import java.util.List;
import java.util.Optional;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicInteger;

public class HookEvent {
    public String secret;
    public String ref;
    public String before;
    public String after;
    @JsonProperty("compare_url")
    public String compareUrl;
    public List<Commit> commits;
    @JsonProperty("head_commit")
    public String headCommit;
    public Repository repository;
    public User pusher;
    public User sender;

    AtomicInteger idIncrementer = new AtomicInteger();

    /**
     * convert {@link HookEvent} to {@link Job} if possible
     * else return and {@link Optional#empty()}
     */
    public Optional<Job> toJob() {
        Optional<Job> optJob;

        if (this.commits.isEmpty()) {
            optJob = Optional.empty();
        } else {
            // search for head commit or take first in event's list of commit
            Commit commit = this.commits.stream().filter(co -> co.id.equals(this.headCommit))
                    .findFirst().orElse(this.commits.get(0));

            Job.Commit co = new Job.Commit(
                    commit.author.email, commit.author.name, commit.timestamp,
                    commit.id, commit.message, commit.id.substring(0, 8), commit.message
            );

            Job job = new Job(
                    null, co, null, ZonedDateTime.now(), null,
                    this.idIncrementer.getAndIncrement(), UUID.randomUUID().toString(), this.ref,
                    null, "root", null, JobStatus.CREATED, false, this.pusher.toReducedUser()
            );
            optJob = Optional.of(job);
        }

        return optJob;
    }
}