package funkin.ui.debug.charting;

import funkin.data.notestyle.NoteStyleRegistry;
import funkin.play.notes.notestyle.NoteStyle;
import funkin.play.stage.StageData;
import funkin.play.stage.StageData.StageDataParser;
import funkin.play.character.CharacterData;
import haxe.ui.components.DropDown;
import funkin.play.character.BaseCharacter.CharacterType;
import funkin.play.character.CharacterData.CharacterDataParser;

/**
 * This class contains functions for populating dropdowns based on game data.
 * These get used by both dialogs and toolboxes so they're in their own class to prevent "reaching over."
 */
@:nullSafety
@:access(ChartEditorState)
class ChartEditorDropdowns
{
  public static function populateDropdownWithCharacters(dropDown:DropDown, charType:CharacterType, startingCharId:String):DropDownEntry
  {
    dropDown.dataSource.clear();

    // TODO: Filter based on charType.
    var charIds:Array<String> = CharacterDataParser.listCharacterIds();

    var returnValue:DropDownEntry = switch (charType)
    {
      case BF: {id: "bf", text: "Boyfriend"};
      case DAD: {id: "dad", text: "Daddy Dearest"};
      default: {
          dropDown.dataSource.add({id: "none", text: ""});
          {id: "none", text: "None"};
        }
    }

    for (charId in charIds)
    {
      var character:Null<CharacterData> = CharacterDataParser.fetchCharacterData(charId);
      if (character == null) continue;

      var value = {id: charId, text: character.name};
      if (startingCharId == charId) returnValue = value;

      dropDown.dataSource.add(value);
    }

    dropDown.dataSource.sort('text', ASCENDING);

    return returnValue;
  }

  public static function populateDropdownWithStages(dropDown:DropDown, startingStageId:String):DropDownEntry
  {
    dropDown.dataSource.clear();

    var stageIds:Array<String> = StageDataParser.listStageIds();

    var returnValue:DropDownEntry = {id: "mainStage", text: "Main Stage"};

    for (stageId in stageIds)
    {
      var stage:Null<StageData> = StageDataParser.parseStageData(stageId);
      if (stage == null) continue;

      var value = {id: stageId, text: stage.name};
      if (startingStageId == stageId) returnValue = value;

      dropDown.dataSource.add(value);
    }

    dropDown.dataSource.sort('text', ASCENDING);

    return returnValue;
  }

  public static function populateDropdownWithNoteStyles(dropDown:DropDown, startingStyleId:String):DropDownEntry
  {
    dropDown.dataSource.clear();

    var noteStyleIds:Array<String> = NoteStyleRegistry.instance.listEntryIds();

    var returnValue:DropDownEntry = {id: "funkin", text: "Funkin'"};

    for (noteStyleId in noteStyleIds)
    {
      var noteStyle:Null<NoteStyle> = NoteStyleRegistry.instance.fetchEntry(noteStyleId);
      if (noteStyle == null) continue;

      var value = {id: noteStyleId, text: noteStyle.getName()};
      if (startingStyleId == noteStyleId) returnValue = value;

      dropDown.dataSource.add(value);
    }

    dropDown.dataSource.sort('text', ASCENDING);

    return returnValue;
  }

  public static function populateDropdownWithVariations(dropDown:DropDown, state:ChartEditorState, includeNone:Bool = true):DropDownEntry
  {
    dropDown.dataSource.clear();

    var variationIds:Array<String> = state.availableVariations;

    if (includeNone)
    {
      dropDown.dataSource.add({id: "none", text: ""});
    }

    var returnValue:DropDownEntry = includeNone ? ({id: "none", text: ""}) : ({id: "default", text: "Default"});

    for (variationId in variationIds)
    {
      dropDown.dataSource.add({id: variationId, text: variationId.toTitleCase()});
    }

    dropDown.dataSource.sort('text', ASCENDING);

    return returnValue;
  }
}

typedef DropDownEntry =
{
  id:String,
  text:String
};