using System;
using UnityEditor;
using UnityEngine;

namespace Invector.vMelee
{
    [CustomEditor(typeof(bMeleeAttackControl))]
    public class bMeleeAttackControlEditor : Editor
    {
        bMeleeAttackControl attackControl;
        string currentBodyPart;
        string oldBodyPart;
        bool inAddBodyPart;
        bool inEditBodyPart;
        bool isHuman;
        vAttackType currentAttackType;
        GUISkin skin;
        GUISkin defaultSkin;
        int indexSelected;
        public Texture2D m_Logo;

        enum WeponSide
        {
            LeftLowerArm, RightLowerArm
        }

        void OnEnable()
        {
            try
            {
                attackControl = (bMeleeAttackControl)target;
                currentAttackType = attackControl.meleeAttackType;
                skin = Resources.Load("vSkin") as GUISkin;
            }
            catch { }
            indexSelected = -1;
            isHuman = true;
            m_Logo = (Texture2D)Resources.Load("icon_v2", typeof(Texture2D));
        }

        public override void OnInspectorGUI()
        {
            defaultSkin = GUI.skin;
            if (skin) GUI.skin = skin;
            GUILayout.BeginVertical("Melee Attack Control", "window");
            GUILayout.Label(m_Logo, GUILayout.MaxHeight(25));
            EditorGUILayout.HelpBox("Make sure that the <b>Exit Time</b> of this state to the next one in your Combo is <b>lower</b> then the Exit Time to the Exit state, otherwise it will always exit first and never play the next animation.\n\n" +
                "For Example if your Exit Time to the Exit State is 0.7 then your transition to the next state must be 0.6 or lower.\n\n" +
                "The same applies to the <b>End Damage</b>", MessageType.Info);
            base.OnInspectorGUI();
            GUILayout.BeginVertical();

            GUILayout.BeginVertical("box");
            GUILayout.BeginHorizontal();
            GUILayout.Box("nº", GUILayout.Width(40));
            GUILayout.Box("BodyPart", GUILayout.ExpandWidth(true));
            GUILayout.Box("", GUILayout.Width(20));
            GUILayout.EndHorizontal();

            for (int i = 0; i < attackControl.bodyParts.Count; i++)
            {
                GUILayout.BeginHorizontal();
                GUIStyle labelCenter = EditorStyles.miniLabel;
                labelCenter.alignment = TextAnchor.MiddleCenter;
                GUILayout.Box(i.ToString("00"), labelCenter, GUILayout.Width(40));
                Color color = GUI.color;
                GUI.color = indexSelected == i ? new Color(1, 1, 0, 1) : color;
                if (GUILayout.Button(attackControl.bodyParts[i], EditorStyles.miniButton))
                {
                    if (indexSelected == i)
                    {
                        inEditBodyPart = false;
                        indexSelected = -1;
                        oldBodyPart = "";
                    }
                    else
                    {
                        indexSelected = i;
                        inEditBodyPart = true;
                        oldBodyPart = attackControl.bodyParts[indexSelected];
                        try
                        {
                            oldBodyPart = Enum.Parse(typeof(vHumanBones), oldBodyPart).ToString();
                            isHuman = true;
                        }
                        catch { isHuman = false; }
                    }
                }
                GUI.color = color;
                if (attackControl.bodyParts.Count > 1 && !inEditBodyPart && GUILayout.Button("X", EditorStyles.miniButton, GUILayout.Width(20)))
                {
                    attackControl.bodyParts.RemoveAt(i);
                    GUILayout.EndHorizontal();
                    break;
                }
                else if (attackControl.bodyParts.Count == 1 || inEditBodyPart)
                {
                    GUILayout.Label("", GUILayout.Width(20));
                }

                GUILayout.EndHorizontal();
            }
            GUILayout.EndVertical();
            GUILayout.EndVertical();
            if (inEditBodyPart)
            {
                EditBodyPart();
            }
            GUILayout.Space(20);
            if (GUILayout.Button("Add New Body Part", EditorStyles.miniButton))
            {
                inAddBodyPart = true;
                isHuman = true;
                currentBodyPart = "RightLowerArm";
            }
            if (currentAttackType != attackControl.meleeAttackType)
            {
                currentAttackType = attackControl.meleeAttackType;
                if (currentAttackType == vAttackType.MeleeWeapon)
                {
                    var noMeleeWeapon = attackControl.bodyParts.FindAll(bodyPart => bodyPart != "LeftLowerArm" || bodyPart != "RightLowerArm");
                    if (noMeleeWeapon.Count > 0)
                    {
                        attackControl.bodyParts.RemoveAll(bodyPart => !(bodyPart == "LeftLowerArm" || bodyPart == "RightLowerArm"));
                    }
                }
            }

            if (inAddBodyPart) AddBodyPart();

            GUILayout.EndVertical();
            GUI.skin = defaultSkin;
        }

        void AddBodyPart()
        {
            GUILayout.BeginVertical("box");

            if (attackControl.meleeAttackType == vAttackType.Unarmed)
            {
                isHuman = Convert.ToBoolean(EditorGUILayout.Popup("Member Type", Convert.ToInt32(isHuman), new string[] { "Generic", "Human" }));
                if (isHuman)
                {
                    try
                    {
                        currentBodyPart = EditorGUILayout.EnumPopup("Body Part", (vHumanBones)Enum.Parse(typeof(vHumanBones), currentBodyPart)).ToString();
                    }
                    catch { currentBodyPart = "RightLowerArm"; }
                }
                else
                {
                    currentBodyPart = EditorGUILayout.TextField("BodyPart Name", currentBodyPart);
                }
            }
            else
            {
                currentBodyPart = EditorGUILayout.EnumPopup("Body Part", (WeponSide)Enum.Parse(typeof(WeponSide), currentBodyPart)).ToString();
            }
            bool isValid = true;
            if (attackControl.bodyParts.Contains(currentBodyPart))
            {
                EditorGUILayout.HelpBox("This Body Part already exist,select another name", MessageType.Error);
                isValid = false;
            }
            GUILayout.BeginHorizontal();
            if (isValid && GUILayout.Button("Add", EditorStyles.miniButton))
            {
                attackControl.bodyParts.Add(currentBodyPart);
                inAddBodyPart = false;
            }
            if (GUILayout.Button("Cancel", EditorStyles.miniButton))
            {
                inAddBodyPart = false;
            }
            GUILayout.EndHorizontal();
            GUILayout.EndVertical();
        }

        void EditBodyPart()
        {
            GUILayout.BeginVertical("box");
            GUILayout.Box("Editing BodyParty " + indexSelected.ToString("00"), GUILayout.ExpandWidth(true));
            if (attackControl.meleeAttackType == vAttackType.Unarmed)
            {
                isHuman = Convert.ToBoolean(EditorGUILayout.Popup("Member Type", Convert.ToInt32(isHuman), new string[] { "Generic", "Human" }));
                if (isHuman)
                {
                    try
                    {
                        oldBodyPart = EditorGUILayout.EnumPopup("Body Part", (vHumanBones)Enum.Parse(typeof(vHumanBones), oldBodyPart)).ToString();
                    }
                    catch { oldBodyPart = currentBodyPart = "RightLowerArm"; }
                }
                else
                {
                    oldBodyPart = EditorGUILayout.TextField("BodyPart Name", oldBodyPart);
                }
            }
            else
            {
                oldBodyPart = EditorGUILayout.EnumPopup("Body Part", (WeponSide)Enum.Parse(typeof(WeponSide), oldBodyPart)).ToString();
            }
            bool isValid = true;
            if (attackControl.bodyParts.Contains(oldBodyPart) && oldBodyPart != attackControl.bodyParts[indexSelected])
            {
                EditorGUILayout.HelpBox("This Body Part already exist,select another name", MessageType.Error);
                isValid = false;
            }
            GUILayout.BeginHorizontal();
            if (isValid && GUILayout.Button("Ok", EditorStyles.miniButton))
            {
                attackControl.bodyParts[indexSelected] = oldBodyPart;
                inEditBodyPart = false;
                indexSelected = -1;
            }
            if (GUILayout.Button("Cancel", EditorStyles.miniButton))
            {
                indexSelected = -1;
                inEditBodyPart = false;
                oldBodyPart = "";
            }
            GUILayout.EndHorizontal();
            GUILayout.EndVertical();
        }
    }
}