using ModVersionChecker.data.model;
using ModVersionChecker.managers.interfaces;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ModVersionChecker.forms
{
    // Simple editor form for SourceDef
    public class SourceDetailForm : Form
    {
        private readonly IFormFactory _formFactory;
        private readonly ISourcesDefManager _sourceManager;
        public SourceDef SourceDef { get; set; }
        public Boolean IsEditable => !string.IsNullOrWhiteSpace(SourceDef?.Id);
        private TextBox _idField, _nameField, _typeField, _defaultsField;
        private Button _okButton, _cancelButton;

        public event EventHandler<string>? OnSourceChanged;

        public SourceDetailForm(IFormFactory formFactory, ISourcesDefManager sourceManager)
        {
            _formFactory = formFactory ?? throw new ArgumentNullException(nameof(formFactory));
            _sourceManager = sourceManager ?? throw new ArgumentNullException(nameof(sourceManager));

            InitializeComponent();
            _formFactory = formFactory;
        }

        private void InitializeComponent()
        {
            Text = "Edit SourceDef";
            Size = new Size(400, 300);
            StartPosition = FormStartPosition.CenterParent;
            Padding = new Padding(10);

            var layout = new TableLayoutPanel
            {
                Dock = DockStyle.Fill,
                RowCount = 5,
                ColumnCount = 2,
                Padding = new Padding(10)
            };

            layout.Controls.Add(new Label { Text = "Id:", Width = 80 }, 0, 0);
            _idField = new TextBox { Text = "", Width = 200 };
            layout.Controls.Add(_idField, 1, 0);

            layout.Controls.Add(new Label { Text = "Name:", Width = 80 }, 0, 1);
            _nameField = new TextBox { Text = "", Width = 200 };
            layout.Controls.Add(_nameField, 1, 1);

            layout.Controls.Add(new Label { Text = "Type:", Width = 80 }, 0, 2);
            _typeField = new TextBox { Text = "", Width = 200 };
            layout.Controls.Add(_typeField, 1, 2);

            layout.Controls.Add(new Label { Text = "Defaults (key=value, comma separated):", Width = 80 }, 0, 3);
            _defaultsField = new TextBox { Text = "", Width = 200 };
            layout.Controls.Add(_defaultsField, 1, 3);

            var buttonPanel = new FlowLayoutPanel { FlowDirection = FlowDirection.RightToLeft, Dock = DockStyle.Fill };
            _okButton = new Button { Text = "OK", DialogResult = DialogResult.OK };
            _cancelButton = new Button { Text = "Cancel", DialogResult = DialogResult.Cancel };
            buttonPanel.Controls.Add(_okButton);
            buttonPanel.Controls.Add(_cancelButton);

            layout.Controls.Add(buttonPanel, 0, 4);
            layout.SetColumnSpan(buttonPanel, 2);

            Controls.Add(layout);

            _okButton.Click += (s, e) =>
            {
                SourceDef.Id = _idField.Text.Trim();
                SourceDef.Name = _nameField.Text.Trim();
                SourceDef.Type = _typeField.Text.Trim();
                SourceDef.Defaults = ParseDefaults(_defaultsField.Text);
                DialogResult = DialogResult.OK;
                Close();
            };
            _cancelButton.Click += (s, e) => { DialogResult = DialogResult.Cancel; Close(); };
        }

        public void UpdateFields()
        {
            if (SourceDef != null)
            {
                _idField.Text = SourceDef.Id;
                _nameField.Text = SourceDef.Name;
                _typeField.Text = SourceDef.Type;
                _defaultsField.Text = string.Join(", ", SourceDef.Defaults.Select(d => $"{d.Key}={d.Value}"));
            }
        }

        private Dictionary<string, string> ParseDefaults(string text)
        {
            var dict = new Dictionary<string, string>();
            var pairs = text.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
            foreach (var pair in pairs)
            {
                var kv = pair.Split(new[] { '=' }, 2);
                if (kv.Length == 2)
                    dict[kv[0].Trim()] = kv[1].Trim();
            }
            return dict;
        }
    }
}