using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
using Database;

/// ----------------------------------------------------------------------------------
/// <summary> Class used to draw and update the various tool tabs </summary>
/// ----------------------------------------------------------------------------------
public class GAGToolWindow : EditorWindow
{
    public CharacterDBEditor m_CharacterDatabase;
    public MapDBEditor m_MapDatabase;
    public EncounterDBEditor m_EncounterTables;
    public RewardDBEditor m_RewardTables;
    public SkillDBEditor m_SkillsDatabase;

    private string[] m_toolbar = { "Characters", "Skills", "Maps", "Rewards", "Encounters" };

    enum ContentSwitch
    {
        character,
        skill,
        map,
        reward,
        encounters
    }

    ContentSwitch contentSwitch;

    Texture2D headerSectionTexture;
    Texture2D contentSectionTexture;

    Color headerSectionColor = new Color(45f / 255f, 45f / 255f, 48f / 255f, 1f);
    Color contentSectionColor = new Color(120f / 255f, 120f / 255f, 120f / 255f, 1f);

    Rect headerSection = new Rect();
    Rect contentSection = new Rect();

    [MenuItem("Ironbelly/GAG Creation Tools")]
    static void OpenWindow()
    {
        GAGToolWindow window = (GAGToolWindow)GetWindow(typeof(GAGToolWindow));
        window.minSize = new Vector2(1050, 595);
        window.maxSize = new Vector2(1050, 595);
        window.Show();
    }

    /// <summary>
    /// Similar to Start() or Awake()
    /// </summary>
    private void OnEnable()
    {
        InitTextures();
        contentSwitch = ContentSwitch.character;
    }

    /// ----------------------------------------------------------------------------------
    /// <summary> Similar to Update(). Not called once per frame. Called 1 or more times per interaction. </summary>
    /// ----------------------------------------------------------------------------------
    private void OnGUI()
    {
        DrawLayouts();
        DrawHeader();
        DrawContent();
    }

    private void InitTextures()
    {
        headerSectionTexture = new Texture2D(1, 1);
        headerSectionTexture.SetPixel(0, 0, headerSectionColor);
        headerSectionTexture.Apply();

        contentSectionTexture = new Texture2D(1, 1);
        contentSectionTexture.SetPixel(0, 0, contentSectionColor);
        contentSectionTexture.Apply();
    }

    /// ----------------------------------------------------------------------------------
    /// <summary> Defines Rect values and paints textures based on Rects </summary>
    /// ----------------------------------------------------------------------------------
    private void DrawLayouts()
    {
        headerSection.x = 0;
        headerSection.y = 0;
        headerSection.width = Screen.width;
        headerSection.height = 75;

        GUI.DrawTexture(headerSection, headerSectionTexture);

        contentSection.x = 0;
        contentSection.y = 75;
        contentSection.width = Screen.width;
        contentSection.height = 500;
        GUI.DrawTexture(contentSection, contentSectionTexture);
    }

    /// ----------------------------------------------------------------------------------
    /// <summary> Create Header for Creation Window </summary>
    /// ----------------------------------------------------------------------------------
    private void DrawHeader()
    {
        GUILayout.BeginArea(headerSection);
        {
            GUILayout.BeginVertical("box", GUILayout.Width(Screen.width), GUILayout.Height(headerSection.height));
            {
                GUILayout.Space(10);

                GUILayout.BeginHorizontal();
                {
                    GUILayout.FlexibleSpace();

                    contentSwitch = (ContentSwitch)GUILayout.Toolbar((int)contentSwitch, m_toolbar, GUILayout.Height(50));

                    GUILayout.FlexibleSpace();
                }
                GUILayout.EndHorizontal();
            }
            GUILayout.EndVertical();
        }
        GUILayout.EndArea();
    }
    /// ----------------------------------------------------------------------------------
    /// <summary> Draws UI elements based on which content we want to see </summary>
    /// ----------------------------------------------------------------------------------
    private void DrawContent()
    {
        GUILayout.BeginArea(contentSection);
        {
            switch (contentSwitch)
            {
                case ContentSwitch.character:
                    m_CharacterDatabase.DrawContent();
                    break;
                case ContentSwitch.skill:
                    m_SkillsDatabase.DrawContent();
                    break;
                case ContentSwitch.map:
                    m_MapDatabase.DrawContent();
                    break;
                case ContentSwitch.reward:
                    m_RewardTables.DrawContent();
                    break;
                case ContentSwitch.encounters:
                    m_EncounterTables.DrawContent();
                    break;
                default:
                    break;
            }
        }
        GUILayout.EndArea();
    }
}