using System;
using System.IO;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using static QuikDawEditor.EDITING.StaticProperties;
using static QuikDawEditor.EDITING.MiscMethods;
using QuikDawEditor.EditingClasses;
using System.CodeDom;

namespace QuikDawEditor;

public partial class EqualizerIF : UserControl
{
    public MasterTrackFXWindow owningFXWindow;

    public string RelRes() { ReleaseResources(); return "Resources released"; }

    public EqualizerIF()
    {
        InitializeComponent();

    }

    private void EQSlider_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
    {

        EqualizerBand eqb = (EqualizerBand)((Slider)sender).DataContext;
        
        switch (this.DataContext.GetType())
        {
            case Type t when t == typeof(MasterTrack): // "SharedClasses.MasterTrack":
                MasterTrack thisMT = (MasterTrack)this.DataContext;
                if (thisMT.ReceivingAdjustment) return;
                ChangeMasterEQBand(eqb);
                break;

            default:
                Track thisTrack = (Track)this.DataContext;
                if (thisTrack.ReceivingAdjustment) return;
                ChangeEQBand(thisTrack, eqb);
                break;
        }


    }

    public void ChangeEQBand(Track thisTrack, EqualizerBand eqband)
    {

        EqualizerBand foundEQband = thisTrack.EQBands.FirstOrDefault(eqb => eqb.Frequency == eqband.Frequency);

        if (foundEQband != null)
        {
            foundEQband.Gain = eqband.Gain;
            thisTrack.UpdateFilters();
        }
    }

    public void ChangeMasterEQBand(EqualizerBand eqband)
    {
        EqualizerBand foundEQband = editingProject.MasterTrack.EQBands.FirstOrDefault(eqb => eqb.Frequency == eqband.Frequency);
        if (foundEQband != null)
        {
            foundEQband.Gain = eqband.Gain;
            editingProject.MasterTrack.UpdateFilters();
        }
    }


    bool deleteButPressed = false;

    private void DeleteEQPresetBut_Click(object sender, RoutedEventArgs e)
    {
        Button thisBut = (Button)sender;
        EQPreset thisEQPreset = (EQPreset)thisBut.DataContext;

        EQPresets.Remove(thisEQPreset);
        File.WriteAllLines(EQPresetsFile, EQPresets.ToList().ConvertAll(eqp => eqp.saveString));

        e.Handled = true;
        deleteButPressed = true;

    }


    private void EQPresetCB_DropDownClosed(object sender, EventArgs e)
    {
        if (deleteButPressed) { deleteButPressed = false; return; }

        ComboBox cbox = (ComboBox)sender;
        if (cbox.SelectedIndex == -1) return;

        switch (this.DataContext.GetType())
        {
            case Type t when t == typeof(MasterTrack): 
                MasterTrack thisMT = (MasterTrack)cbox.DataContext;
                for (int i = 0; i < thisMT.EQBands.Length; i++)
                    thisMT.EQBands[i].Gain = (float)EQPresets[cbox.SelectedIndex].EQVals[i];
                break;

            default:
                Track thisTrack = (Track)cbox.DataContext;
                for (int i = 0; i < thisTrack.EQBands.Length; i++)
                    thisTrack.EQBands[i].Gain = (float)EQPresets[cbox.SelectedIndex].EQVals[i];

                break;
        }

    }

    private void SaveEQPresetBut_Click(object sender, RoutedEventArgs e)
    {
        InputBox inpB = new InputBox("New preset name") { Owner = owningFXWindow };
        inpB.ShowDialog();
        if (inpB.Result == "Cancel") return;

        string newEQPresetname = inpB.TextBoxText;
        Button thisBut = (Button)sender;

        EqualizerBand[] eqBands;

        switch (this.DataContext.GetType())
        {
            case Type t when t == typeof(MasterTrack):
                MasterTrack thisMT = (MasterTrack)thisBut.DataContext;
                eqBands = thisMT.EQBands;
                break;

            default:
                Track thisTrack = (Track)thisBut.DataContext;
                eqBands = thisTrack.EQBands;
                break;
        }

        EQPreset newEQPreset = new EQPreset(newEQPresetname + "\t" + String.Join(',', eqBands.ToList().ConvertAll(eqb => eqb.Gain.ToString()).ToArray()));
        EQPresets.Add(newEQPreset);
        File.WriteAllLines(EQPresetsFile, EQPresets.ToList().ConvertAll(eqp => eqp.saveString));

    }

}