using System.ComponentModel;

namespace LocalizationTool.Models
{
    /// <summary>表格单元格：某语言下某条中文源文的译文。</summary>
    public class CellVm : INotifyPropertyChanged
    {
        public string LangCode { get; set; }

        private string _value;
        public string Value
        {
            get => _value;
            set
            {
                if (_value == value) return;
                _value = value;
                OnPropertyChanged(nameof(Value));
                OnPropertyChanged(nameof(IsMissing));
            }
        }

        public bool IsMissing => string.IsNullOrWhiteSpace(Value);

        private bool _hasIssue;
        public bool HasIssue
        {
            get => _hasIssue;
            set
            {
                if (_hasIssue == value) return;
                _hasIssue = value;
                OnPropertyChanged(nameof(HasIssue));
            }
        }

        private string _issueMessage = "";
        public string IssueMessage
        {
            get => _issueMessage;
            set
            {
                if (_issueMessage == value) return;
                _issueMessage = value;
                OnPropertyChanged(nameof(IssueMessage));
            }
        }

        public event PropertyChangedEventHandler PropertyChanged;
        private void OnPropertyChanged(string n) =>
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(n));
    }
}