using System;
using System.Collections.Generic;

using Avalonia;
using Avalonia.Media;

namespace SourceGit.Models
{
    public class Commit
    {
        public static double OpacityForNotMerged
        {
            get;
            set;
        } = 0.5;

        public string SHA { get; set; } = string.Empty;
        public User Author { get; set; } = User.Invalid;
        public ulong AuthorTime { get; set; } = 0;
        public User Committer { get; set; } = User.Invalid;
        public ulong CommitterTime { get; set; } = 0;
        public string Subject { get; set; } = string.Empty;
        public List<string> Parents { get; set; } = new List<string>();
        public List<Decorator> Decorators { get; set; } = new List<Decorator>();
        public bool HasDecorators => Decorators.Count > 0;
        public bool IsMerged { get; set; } = false;
        public Thickness Margin { get; set; } = new Thickness(0);

        public string AuthorTimeStr => DateTime.UnixEpoch.AddSeconds(AuthorTime).ToLocalTime().ToString("yyyy/MM/dd HH:mm:ss");
        public string CommitterTimeStr => DateTime.UnixEpoch.AddSeconds(CommitterTime).ToLocalTime().ToString("yyyy/MM/dd HH:mm:ss");
        public string AuthorTimeShortStr => DateTime.UnixEpoch.AddSeconds(AuthorTime).ToLocalTime().ToString("yyyy/MM/dd");

        public bool IsCommitterVisible => !Author.Equals(Committer) || AuthorTime != CommitterTime;
        public bool IsCurrentHead => Decorators.Find(x => x.Type is DecoratorType.CurrentBranchHead or DecoratorType.CurrentCommitHead) != null;

        public double Opacity => IsMerged ? 1 : OpacityForNotMerged;
        public FontWeight FontWeight => IsCurrentHead ? FontWeight.Bold : FontWeight.Regular;
    }
}