// Copyright (c) 2021, Fr.Terrot. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file. 

package io.gitea.mylyn.core;

import java.util.Arrays;
import java.util.EnumSet;
import java.util.Set;

import org.eclipse.mylyn.tasks.core.data.TaskAttribute;

public enum GiteaAttribute {

    BODY("Description", TaskAttribute.DESCRIPTION, TaskAttribute.TYPE_LONG_RICH_TEXT),

    TITLE("Summary", TaskAttribute.SUMMARY, TaskAttribute.TYPE_SHORT_RICH_TEXT),

    STATUS("Status", TaskAttribute.STATUS, TaskAttribute.TYPE_SHORT_TEXT, GiteaFlag.ATTRIBUTE, GiteaFlag.READ_ONLY),

    LABELS("Labels", "io.gitea.mylyn.issue.labels", TaskAttribute.TYPE_LONG_TEXT, GiteaFlag.ATTRIBUTE),

    UPDATED("Updated", TaskAttribute.DATE_MODIFICATION, TaskAttribute.TYPE_DATETIME, GiteaFlag.READ_ONLY,
            GiteaFlag.ATTRIBUTE),

    CREATED("Created", TaskAttribute.DATE_CREATION, TaskAttribute.TYPE_DATETIME, GiteaFlag.READ_ONLY,
            GiteaFlag.ATTRIBUTE),

    COMPLETED("Completed", TaskAttribute.DATE_COMPLETION, TaskAttribute.TYPE_DATETIME, GiteaFlag.READ_ONLY),

    DUE_DATE("Due Date", TaskAttribute.DATE_DUE, TaskAttribute.TYPE_DATE, GiteaFlag.ATTRIBUTE),
    
    AUTHOR("Author", TaskAttribute.USER_REPORTER, TaskAttribute.TYPE_PERSON, GiteaFlag.READ_ONLY, GiteaFlag.ATTRIBUTE),

    PROJECT("Project", TaskAttribute.PRODUCT, TaskAttribute.TYPE_SHORT_TEXT, GiteaFlag.READ_ONLY, GiteaFlag.ATTRIBUTE),

    ASSIGNEE("Assignee", TaskAttribute.USER_ASSIGNED, TaskAttribute.TYPE_PERSON, GiteaFlag.ATTRIBUTE),

    MILESTONE("Milestone", "io.gitea.mylyn.issue.milestone", TaskAttribute.TYPE_SINGLE_SELECT, GiteaFlag.ATTRIBUTE),

    IID("IID", TaskAttribute.TASK_KEY, TaskAttribute.TYPE_INTEGER, GiteaFlag.READ_ONLY),

    PRIORITY("Priority", TaskAttribute.PRIORITY, TaskAttribute.TYPE_SHORT_TEXT, GiteaFlag.READ_ONLY),

    TYPE("Type", TaskAttribute.TASK_KIND, TaskAttribute.TYPE_SHORT_TEXT, GiteaFlag.READ_ONLY);

    private Set<GiteaFlag> flags;

    private final String prettyName;

    private final String taskKey;

    private final String type;

    public String getKind() {
        if (type.equals(TaskAttribute.TYPE_PERSON)) {
            return TaskAttribute.KIND_PEOPLE;
        } else if (flags.contains(GiteaFlag.ATTRIBUTE)) {
            return TaskAttribute.KIND_DEFAULT;
        }
        return null;
    }

    public boolean isReadOnly() {
        return flags.contains(GiteaFlag.READ_ONLY);
    }

    GiteaAttribute(String prettyName, String taskKey, String type, GiteaFlag... flags) {
        this.taskKey = taskKey;
        this.prettyName = prettyName;
        this.type = type;
        if (flags == null || flags.length == 0) {
            this.setFlags(EnumSet.noneOf(GiteaFlag.class));
        } else {
            this.setFlags(EnumSet.copyOf(Arrays.asList(flags)));
        }
    }

    GiteaAttribute(String prettyName, String taskKey, String type) {
        this(prettyName, taskKey, type, new GiteaFlag[] {});
    }

    public Set<GiteaFlag> getFlags() {
        return flags;
    }

    public void setFlags(Set<GiteaFlag> flags) {
        this.flags = flags;
    }

    public String getPrettyName() {
        return prettyName;
    }

    public String getTaskKey() {
        return taskKey;
    }

    public String getType() {
        return type;
    }

    public String toString() {
        return this.prettyName;
    }

    public static GiteaAttribute get(String key) {
        for (GiteaAttribute attr : GiteaAttribute.values()) {
            if (attr.getTaskKey().equals(key)) {
                return attr;
            }
        }
        return null;
    }

}