using DSPRE.ROMFiles;
using Ekona.Images;
using MKDS_Course_Editor.Export3DTools;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using static DSPRE.RomInfo;
using static System.Windows.Forms.VisualStyles.VisualStyleElement.TextBox;

namespace DSPRE.Editors
{
    public partial class TableEditor : UserControl
    {
        MainProgram _parent;
        public bool battleTableEditorIsReady { get; set; } = false;
        public bool conditionnalMusicTableEditorIsReady { get; set; } = false;

        public TableEditor()
        {
            InitializeComponent();
        }

        #region Table Editor
        #region Variables

        string[] pokeNames;
        string[] trcNames;

        List<(ushort header, ushort flag, ushort music)> conditionalMusicTable;
        uint conditionalMusicTableStartAddress;

        public List<(int trainerClass, int comboID)> vsTrainerEffectsList;
        List<(int pokemonID, int comboID)> vsPokemonEffectsList;
        List<(ushort vsGraph, ushort battleSSEQ)> effectsComboTable;

        uint vsTrainerTableStartAddress;
        uint vsPokemonTableStartAddress;
        uint effectsComboMainTableStartAddress;

        //Show Pokemon Icons
        private readonly PaletteBase tableEditorMonIconPal;
        private readonly ImageBase tableEditorMonIconTile;
        private readonly SpriteBase tableEditorMonIconSprite;
        #endregion

        public void SetupConditionalMusicTable(MainProgram parent, bool force = false)
        {
            if (conditionnalMusicTableEditorIsReady && !force) { return; }
            conditionnalMusicTableEditorIsReady = true;
            this._parent = parent;
            switch (RomInfo.gameFamily)
            {
                case GameFamilies.HGSS:
                    RomInfo.SetConditionalMusicTableOffsetToRAMAddress();
                    conditionalMusicTable = new List<(ushort, ushort, ushort)>();

                    conditionalMusicTableStartAddress = BitConverter.ToUInt32(ARM9.ReadBytes(RomInfo.conditionalMusicTableOffsetToRAMAddress, 4), 0) - ARM9.address;
                    byte tableEntriesCount = ARM9.ReadByte(RomInfo.conditionalMusicTableOffsetToRAMAddress - 8);

                    conditionalMusicTableListBox.Items.Clear();
                    using (ARM9.Reader ar = new ARM9.Reader(conditionalMusicTableStartAddress))
                    {
                        for (int i = 0; i < tableEntriesCount; i++)
                        {
                            ushort header = ar.ReadUInt16();
                            ushort flag = ar.ReadUInt16();
                            ushort musicID = ar.ReadUInt16();

                            conditionalMusicTable.Add((header, flag, musicID));
                            conditionalMusicTableListBox.Items.Add(EditorPanels.headerEditor.headerListBox.Items[header]);
                        }
                    }

                    headerConditionalMusicComboBox.Items.Clear();
                    foreach (string location in EditorPanels.headerEditor.headerListBox.Items)
                    {
                        headerConditionalMusicComboBox.Items.Add(location);
                    }

                    if (conditionalMusicTableListBox.Items.Count > 0)
                    {
                        conditionalMusicTableListBox.SelectedIndex = 0;
                    }
                    break;

                case GameFamilies.Plat:
                    pbEffectsMonGroupBox.Enabled = false;
                    pbEffectsTrainerGroupBox.Enabled = false;
                    conditionalMusicGroupBox.Enabled = false;
                    break;

                default:
                    pbEffectsMonGroupBox.Enabled = false;
                    pbEffectsTrainerGroupBox.Enabled = false;
                    conditionalMusicGroupBox.Enabled = false;
                    pbEffectsGroupBox.Enabled = false;
                    break;
            }
        }
        public void SetupBattleEffectsTables(MainProgram parent, bool force = false)
        {
            if (battleTableEditorIsReady && !force) { return; }
            battleTableEditorIsReady = true;
            this._parent = parent;
            if (RomInfo.gameFamily == GameFamilies.HGSS || RomInfo.gameFamily == GameFamilies.Plat)
            {
                DSUtils.TryUnpackNarcs(new List<DirNames> {
                    DirNames.trainerGraphics,
                    DirNames.textArchives,
                    DirNames.monIcons
                });
                RomInfo.SetBattleEffectsData();
                RomInfo.SetMonIconsPalTableAddress();

                effectsComboTable = new List<(ushort vsGraph, ushort battleSSEQ)>();

                effectsComboMainTableStartAddress = BitConverter.ToUInt32(ARM9.ReadBytes(RomInfo.effectsComboTableOffsetToRAMAddress, 4), 0);
                PatchToolboxDialog.flag_MainComboTableRepointed = (effectsComboMainTableStartAddress >= RomInfo.synthOverlayLoadAddress);
                effectsComboMainTableStartAddress -= PatchToolboxDialog.flag_MainComboTableRepointed ? RomInfo.synthOverlayLoadAddress : ARM9.address;

                byte comboTableEntriesCount;

                if (RomInfo.gameFamily == GameFamilies.HGSS)
                {
                    comboTableEntriesCount = ARM9.ReadByte(RomInfo.effectsComboTableOffsetToSizeLimiter);

                    vsPokemonEffectsList = new List<(int pokemonID, int comboID)>();
                    vsTrainerEffectsList = new List<(int trainerClass, int comboID)>();

                    vsPokemonTableStartAddress = BitConverter.ToUInt32(ARM9.ReadBytes(RomInfo.vsPokemonEntryTableOffsetToRAMAddress, 4), 0);
                    PatchToolboxDialog.flag_PokemonBattleTableRepointed = (vsPokemonTableStartAddress >= RomInfo.synthOverlayLoadAddress);
                    vsPokemonTableStartAddress -= PatchToolboxDialog.flag_PokemonBattleTableRepointed ? RomInfo.synthOverlayLoadAddress : ARM9.address;

                    vsTrainerTableStartAddress = BitConverter.ToUInt32(ARM9.ReadBytes(RomInfo.vsTrainerEntryTableOffsetToRAMAddress, 4), 0);
                    PatchToolboxDialog.flag_TrainerClassBattleTableRepointed = (vsTrainerTableStartAddress >= RomInfo.synthOverlayLoadAddress);
                    vsTrainerTableStartAddress -= PatchToolboxDialog.flag_TrainerClassBattleTableRepointed ? RomInfo.synthOverlayLoadAddress : ARM9.address;


                    pbEffectsPokemonCombobox.Items.Clear();
                    pokeNames = RomInfo.GetPokemonNames();
                    for (int i = 0; i < pokeNames.Length; i++)
                    {
                        pbEffectsPokemonCombobox.Items.Add("[" + i + "]" + " " + pokeNames[i]);
                    }

                    RepopulateTableEditorTrainerClasses();

                    pbEffectsVsTrainerListbox.Items.Clear();
                    pbEffectsVsPokemonListbox.Items.Clear();
                }
                else
                {
                    comboTableEntriesCount = 35;
                }

                pbEffectsCombosListbox.Items.Clear();

                String expArmPath = RomInfo.gameDirs[DirNames.synthOverlay].unpackedDir + '\\' + PatchToolboxDialog.expandedARMfileID.ToString("D4");

                if (RomInfo.gameFamily == GameFamilies.HGSS)
                {
                    using (DSUtils.EasyReader ar = new DSUtils.EasyReader(PatchToolboxDialog.flag_TrainerClassBattleTableRepointed ? expArmPath : RomInfo.arm9Path, vsTrainerTableStartAddress))
                    {
                        byte trainerTableEntriesCount = ARM9.ReadByte(RomInfo.vsTrainerEntryTableOffsetToSizeLimiter);

                        for (int i = 0; i < trainerTableEntriesCount; i++)
                        {
                            ushort entry = ar.ReadUInt16();
                            int classID = entry & 1023;
                            int comboID = entry >> 10;
                            vsTrainerEffectsList.Add((classID, comboID));
                            pbEffectsVsTrainerListbox.Items.Add(pbEffectsTrainerCombobox.Items[classID] + " uses Combo #" + comboID);
                        }
                    }

                    using (DSUtils.EasyReader ar = new DSUtils.EasyReader(PatchToolboxDialog.flag_PokemonBattleTableRepointed ? expArmPath : RomInfo.arm9Path, vsPokemonTableStartAddress))
                    {
                        byte pokemonTableEntriesCount = ARM9.ReadByte(RomInfo.vsPokemonEntryTableOffsetToSizeLimiter);

                        for (int i = 0; i < pokemonTableEntriesCount; i++)
                        {
                            ushort entry = ar.ReadUInt16();
                            int pokeID = entry & 1023;
                            int comboID = entry >> 10;
                            vsPokemonEffectsList.Add((pokeID, comboID));

                            string pokeName;
                            try
                            {
                                pokeName = pokeNames[pokeID];
                            }
                            catch (IndexOutOfRangeException)
                            {
                                pokeName = "UNKNOWN";
                            }
                            pbEffectsVsPokemonListbox.Items.Add("[" + pokeID.ToString("D3") + "]" + " " + pokeName + " uses Combo #" + comboID);
                        }
                    }
                }

                using (DSUtils.EasyReader ar = new DSUtils.EasyReader(PatchToolboxDialog.flag_MainComboTableRepointed ? expArmPath : RomInfo.arm9Path, effectsComboMainTableStartAddress))
                {
                    for (int i = 0; i < comboTableEntriesCount; i++)
                    {
                        ushort battleIntroEffect = ar.ReadUInt16();
                        ushort battleMusic = ar.ReadUInt16();
                        effectsComboTable.Add((battleIntroEffect, battleMusic));
                        pbEffectsCombosListbox.Items.Add("Combo " + i.ToString("D2") + " - " + "Effect #" + battleIntroEffect + ", " + "Music #" + battleMusic);
                    }
                }

                if (RomInfo.gameFamily == GameFamilies.HGSS)
                {
                    var items = pbEffectsCombosListbox.Items.Cast<Object>().ToArray();

                    pbEffectsPokemonChooseMainCombobox.Items.Clear();
                    pbEffectsPokemonChooseMainCombobox.Items.AddRange(items);
                    pbEffectsTrainerChooseMainCombobox.Items.Clear();
                    pbEffectsTrainerChooseMainCombobox.Items.AddRange(items);

                    if (pbEffectsVsTrainerListbox.Items.Count > 0)
                    {
                        pbEffectsVsTrainerListbox.SelectedIndex = 0;
                    }
                    if (pbEffectsVsPokemonListbox.Items.Count > 0)
                    {
                        pbEffectsVsPokemonListbox.SelectedIndex = 0;
                    }
                }

                if (pbEffectsCombosListbox.Items.Count > 0)
                {
                    pbEffectsCombosListbox.SelectedIndex = 0;
                }

            }
            else
            {
                pbEffectsGroupBox.Enabled = false;
            }
        }

        private void RepopulateTableEditorTrainerClasses()
        {
            pbEffectsTrainerCombobox.Items.Clear();
            trcNames = RomInfo.GetTrainerClassNames();
            for (int i = 0; i < trcNames.Length; i++)
            {
                pbEffectsTrainerCombobox.Items.Add("[" + i.ToString("D3") + "]" + " " + trcNames[i]);
            }
        }

        private void conditionalMusicTableListBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            int selection = conditionalMusicTableListBox.SelectedIndex;
            headerConditionalMusicComboBox.SelectedIndex = conditionalMusicTable[selection].header;

            Helpers.DisableHandlers();

            flagConditionalMusicUpDown.Value = conditionalMusicTable[selection].flag;
            musicIDconditionalMusicUpDown.Value = conditionalMusicTable[selection].music;

            Helpers.EnableHandlers();
        }
        private void headerConditionalMusicComboBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (Helpers.HandlersDisabled)
            {
                return;
            }

            (ushort header, ushort flag, ushort music) oldTuple = conditionalMusicTable[conditionalMusicTableListBox.SelectedIndex];
            (ushort header, ushort flag, ushort music) newTuple = ((ushort)headerConditionalMusicComboBox.SelectedIndex, oldTuple.flag, oldTuple.music);
            conditionalMusicTable[conditionalMusicTableListBox.SelectedIndex] = newTuple;

            MapHeader selected = MapHeader.LoadFromARM9(newTuple.header);
            switch (RomInfo.gameFamily)
            {
                case GameFamilies.DP:
                    locationNameConditionalMusicLBL.Text = RomInfo.GetLocationNames()[(selected as HeaderDP).locationName];
                    break;
                case GameFamilies.Plat:
                    locationNameConditionalMusicLBL.Text = RomInfo.GetLocationNames()[(selected as HeaderPt).locationName];
                    break;
                case GameFamilies.HGSS:
                    locationNameConditionalMusicLBL.Text = RomInfo.GetLocationNames()[(selected as HeaderHGSS).locationName];
                    break;
            }
        }
        private void flagConditionalMusicUpDown_ValueChanged(object sender, EventArgs e)
        {
            if (Helpers.HandlersDisabled)
            {
                return;
            }

            (ushort header, ushort flag, ushort music) oldTuple = conditionalMusicTable[conditionalMusicTableListBox.SelectedIndex];
            conditionalMusicTable[conditionalMusicTableListBox.SelectedIndex] = (oldTuple.header, (ushort)flagConditionalMusicUpDown.Value, oldTuple.music);
        }

        private void musicIDconditionalMusicUpDown_ValueChanged(object sender, EventArgs e)
        {
            if (Helpers.HandlersDisabled)
            {
                return;
            }

            (ushort header, ushort flag, ushort music) oldTuple = conditionalMusicTable[conditionalMusicTableListBox.SelectedIndex];
            conditionalMusicTable[conditionalMusicTableListBox.SelectedIndex] = (oldTuple.header, oldTuple.flag, (ushort)musicIDconditionalMusicUpDown.Value);
        }
        private void HOWconditionalMusicTableButton_Click(object sender, EventArgs e)
        {
            MessageBox.Show("For each Location in the list, override Header's music with chosen Music ID, if Flag is set.", "How this table works", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }

        private void saveConditionalMusicTableBTN_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < conditionalMusicTable.Count; i++)
            {
                ARM9.WriteBytes(BitConverter.GetBytes(conditionalMusicTable[i].header), (uint)(conditionalMusicTableStartAddress + 6 * i));
                ARM9.WriteBytes(BitConverter.GetBytes(conditionalMusicTable[i].flag), (uint)(conditionalMusicTableStartAddress + 6 * i + 2));
                ARM9.WriteBytes(BitConverter.GetBytes(conditionalMusicTable[i].music), (uint)(conditionalMusicTableStartAddress + 6 * i + 4));
            }
        }

        private void TBLEditortrainerClassPreviewPic_ValueChanged(object sender, EventArgs e)
        {
            EditorPanels.trainerEditor.UpdateTrainerClassPic(tbEditorTrClassPictureBox, (int)((NumericUpDown)sender).Value);
        }

        private void saveEffectComboBTN_Click(object sender, EventArgs e)
        {
            int index = pbEffectsCombosListbox.SelectedIndex;
            ushort battleIntroEffect = (ushort)pbEffectsVSAnimationUpDown.Value;
            ushort battleMusic = (ushort)pbEffectsBattleSSEQUpDown.Value;

            effectsComboTable[index] = (battleIntroEffect, battleMusic);

            String expArmPath = RomInfo.gameDirs[DirNames.synthOverlay].unpackedDir + '\\' + PatchToolboxDialog.expandedARMfileID.ToString("D4");
            using (DSUtils.EasyWriter wr = new DSUtils.EasyWriter(PatchToolboxDialog.flag_MainComboTableRepointed ? expArmPath : RomInfo.arm9Path, effectsComboMainTableStartAddress + 4 * index))
            {
                wr.Write(battleIntroEffect);
                wr.Write(battleMusic);
            };

            Helpers.DisableHandlers();

            string updatedEntry = "Combo " + index.ToString("D2") + " - " + "Effect #" + battleIntroEffect + ", " + "Music #" + battleMusic;
            pbEffectsCombosListbox.Items[index] = updatedEntry;

            if (RomInfo.gameFamily == GameFamilies.HGSS)
            {
                pbEffectsTrainerChooseMainCombobox.Items[index] = pbEffectsPokemonChooseMainCombobox.Items[index] = updatedEntry;
            }
            Helpers.EnableHandlers();
        }

        private void saveVSPokemonEntryBTN_Click(object sender, EventArgs e)
        {

        }

        private void saveVSTrainerEntryBTN_Click(object sender, EventArgs e)
        {
            int index = pbEffectsVsTrainerListbox.SelectedIndex;
            ushort trainerClass = (ushort)pbEffectsTrainerCombobox.SelectedIndex;
            ushort comboID = (ushort)pbEffectsTrainerChooseMainCombobox.SelectedIndex;

            vsTrainerEffectsList[index] = (trainerClass, comboID);
            String expArmPath = RomInfo.gameDirs[DirNames.synthOverlay].unpackedDir + '\\' + PatchToolboxDialog.expandedARMfileID.ToString("D4");
            using (DSUtils.EasyWriter wr = new DSUtils.EasyWriter(PatchToolboxDialog.flag_TrainerClassBattleTableRepointed ? expArmPath : RomInfo.arm9Path, vsTrainerTableStartAddress + 2 * index))
            {
                wr.Write((ushort)((trainerClass & 1023) + (comboID << 10)));
            };

            Helpers.DisableHandlers();
            pbEffectsVsTrainerListbox.Items[index] = "[" + trainerClass.ToString("D3") + "]" + " " + trcNames[trainerClass] + " uses Combo #" + comboID;
            Helpers.EnableHandlers();
        }

        private void HOWpbEffectsTableButton_Click(object sender, EventArgs e)
        {
            MessageBox.Show("An entry of this table is a combination of VS. Graphics + Battle Theme.\n\n" +
                (RomInfo.gameFamily.Equals(GameFamilies.HGSS) ? "Each entry can be \"inherited\" by one or more Pokémon or Trainer classes." : ""),
                "How this table works", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }

        private void HOWvsPokemonButton_Click(object sender, EventArgs e)
        {
            MessageBox.Show("Each entry of this table links a \"Wild\" Pokémon to an Effect Combo from the Combos Table.\n\n" +
                "Whenever that Pokémon is encountered in the tall grass or via script command, its VS. Sequence and Battle Theme will be automatically triggered.",
                 "How this table works", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }

        private void HOWVsTrainerButton_Click(object sender, EventArgs e)
        {
            MessageBox.Show("Each entry of this table links a Trainer Class to an Effect Combo from the Combos Table.\n\n" +
                "Every Trainer Class with a given combo will start the same VS. Sequence and Battle Theme.", "How this table works", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }

        private void pbEffectsVsTrainerListbox_SelectedIndexChanged(object sender, EventArgs e)
        {
            int trainerSelection = pbEffectsVsTrainerListbox.SelectedIndex;
            if (Helpers.HandlersDisabled || trainerSelection < 0)
            {
                return;
            }

            (int trainerClass, int comboID) entry = vsTrainerEffectsList[trainerSelection];
            pbEffectsTrainerCombobox.SelectedIndex = entry.trainerClass;
            pbEffectsCombosListbox.SelectedIndex = pbEffectsTrainerChooseMainCombobox.SelectedIndex = entry.comboID;

            tbEditorTrClassFramePreviewUpDown.Value = 0;
        }

        private void pbEffectsVsPokemonListbox_SelectedIndexChanged(object sender, EventArgs e)
        {
            int pokemonSelection = pbEffectsVsPokemonListbox.SelectedIndex;

            if (Helpers.HandlersDisabled || pokemonSelection < 0)
            {
                return;
            }

            (int pokemonID, int comboID) entry = vsPokemonEffectsList[pokemonSelection];

            try
            {
                pbEffectsPokemonCombobox.SelectedIndex = entry.pokemonID;
            }
            catch (ArgumentOutOfRangeException)
            {
                pbEffectsPokemonCombobox.SelectedIndex = 0;
            }
            pbEffectsCombosListbox.SelectedIndex = pbEffectsPokemonChooseMainCombobox.SelectedIndex = entry.comboID;
        }

        private void pbEffectsCombosListbox_SelectedIndexChanged(object sender, EventArgs e)
        {
            int comboSelection = pbEffectsCombosListbox.SelectedIndex;

            if (Helpers.HandlersDisabled || comboSelection < 0)
            {
                return;
            }

            (ushort vsGraph, ushort battleSSEQ) entry = effectsComboTable[comboSelection];
            pbEffectsBattleSSEQUpDown.Value = entry.battleSSEQ;
            pbEffectsVSAnimationUpDown.Value = entry.vsGraph;
        }

        private void pbEffectsTrainerCombobox_SelectedIndexChanged(object sender, EventArgs e)
        {
            int maxFrames = EditorPanels.trainerEditor.LoadTrainerClassPic((sender as ComboBox).SelectedIndex);
            EditorPanels.trainerEditor.UpdateTrainerClassPic(tbEditorTrClassPictureBox);

            tbEditorTrClassFramePreviewUpDown.Maximum = maxFrames;
            tbEditortrainerClassFrameMaxLabel.Text = "/" + maxFrames;
        }
        private void pbEffectsPokemonCombobox_SelectedIndexChanged(object sender, EventArgs e)
        {
            ComboBox cb = sender as ComboBox;
            tbEditorPokeminiPictureBox.Image = DSUtils.GetPokePic(cb.SelectedIndex, tbEditorPokeminiPictureBox.Width, tbEditorPokeminiPictureBox.Height);
            tbEditorPokeminiPictureBox.Update();
        }

        #endregion

    }
}