using System;
using System.IO;
using System.Linq;
using System.Windows.Forms;
using PKHeX.Core;

namespace PKHeX.WinForms;

public partial class SAV_Link6 : Form
{
    private readonly SaveFile Origin;
    private readonly ISaveBlock6Main SAV;

    private PL6 LinkInfo;

    public SAV_Link6(SaveFile sav)
    {
        InitializeComponent();
        WinFormsUtil.TranslateInterface(this, Main.CurrentLanguage);
        SAV = (ISaveBlock6Main)(Origin = sav).Clone();
        var filtered = GameInfo.FilteredSources;
        foreach (var cb in TAB_Items.Controls.OfType<ComboBox>())
        {
            cb.InitializeBinding();
            cb.DataSource = new BindingSource(filtered.Items, null);
        }
        LinkInfo = SAV.Link.GetLinkInfo();
        LoadLinkData();
    }

    private void B_Save_Click(object sender, EventArgs e)
    {
        SAV.Link.SetLinkInfo(LinkInfo);
        Origin.CopyChangesFrom((SaveFile)SAV);
        Close();
    }

    private void B_Cancel_Click(object sender, EventArgs e)
    {
        Close();
    }

    private void B_Import_Click(object sender, EventArgs e)
    {
        using var ofd = new OpenFileDialog {Filter = PL6.Filter};
        if (ofd.ShowDialog() != DialogResult.OK)
            return;

        if (new FileInfo(ofd.FileName).Length != PL6.Size)
        { WinFormsUtil.Alert("Invalid file length"); return; }

        byte[] data = File.ReadAllBytes(ofd.FileName);
        LinkInfo = new PL6(data);

        LoadLinkData();
        B_Export.Enabled = true;
    }

    private void B_Export_Click(object sender, EventArgs e)
    {
        using var sfd = new SaveFileDialog {Filter = PL6.Filter};
        if (sfd.ShowDialog() != DialogResult.OK)
            return;

        File.WriteAllBytes(sfd.FileName, LinkInfo.Data);
        WinFormsUtil.Alert("Pokémon Link data saved to:" + Environment.NewLine + sfd.FileName);
    }

    private void LoadLinkData()
    {
        RTB_LinkSource.Text = LinkInfo.Origin;
        CHK_LinkAvailable.Checked = LinkInfo.Enabled;

        NUD_BP.Value = LinkInfo.BattlePoints;
        NUD_Pokemiles.Value = LinkInfo.Pokemiles;

        CB_Item1.SelectedIndex = LinkInfo.Item_1;
        CB_Item2.SelectedIndex = LinkInfo.Item_2;
        CB_Item3.SelectedIndex = LinkInfo.Item_3;
        CB_Item4.SelectedIndex = LinkInfo.Item_4;
        CB_Item5.SelectedIndex = LinkInfo.Item_5;
        CB_Item6.SelectedIndex = LinkInfo.Item_6;

        NUD_Item1.Value = LinkInfo.Quantity_1;
        NUD_Item2.Value = LinkInfo.Quantity_2;
        NUD_Item3.Value = LinkInfo.Quantity_3;
        NUD_Item4.Value = LinkInfo.Quantity_4;
        NUD_Item5.Value = LinkInfo.Quantity_5;
        NUD_Item6.Value = LinkInfo.Quantity_6;

        // Pokemon slots
        TB_PKM1.Text = GameInfo.Strings.specieslist[LinkInfo.Poke_1.Species];
        TB_PKM2.Text = GameInfo.Strings.specieslist[LinkInfo.Poke_2.Species];
        TB_PKM3.Text = GameInfo.Strings.specieslist[LinkInfo.Poke_3.Species];
        TB_PKM4.Text = GameInfo.Strings.specieslist[LinkInfo.Poke_4.Species];
        TB_PKM5.Text = GameInfo.Strings.specieslist[LinkInfo.Poke_5.Species];
        TB_PKM6.Text = GameInfo.Strings.specieslist[LinkInfo.Poke_6.Species];
    }
}