1using System.Collections;
  2using System.Collections.Generic;
  3using UnityEngine;
  4using UnityEngine.UI;
  5using static UnityEngine.UI.Button;
  6
  7public class BattleUIManager : UIManager
  8{
  9    private BattleManager battle;
 10    private GameMaster gm;
 11
 12    //smart input variables
 13    private const string itemsGuiName = "Items";
 14    private const int maxAbilityNumber = 6;
 15    private const int maxTargetNumber = 5;
 16    private const int maxItemNumber = 9;
 17
 18    private Button[] ability_buttons;
 19    private Button[] item_buttons;
 20    private Button[] target_buttons;
 21    private List<Ability> abilities;
 22    private Coroutine text_coroutine;
 23    private int i = 0;
 24
 25
 26    public Text status;
 27    public GameObject status_panel;
 28    public GameObject results_panel;
 29    public Text drops;
 30    public GameObject input_panel;
 31    public GameObject targets_panel;
 32    public GameObject items_panel;
 33
 34    private void Start()
 35    {
 36        gm = GameMaster.Instance;
 37        battle = GetComponent<BattleManager>();
 38
 39        /*
 40        status_panel = GameObject.Find("status_panel");
 41        status = status_panel.GetComponentInChildren<Text>();
 42        input_panel = GameObject.Find("Input_UI");
 43        items_panel = GameObject.Find("items_panel");
 44        targets_panel = GameObject.Find("targets_panel");
 45        results_panel = GameObject.Find("Results_UI");
 46        drops = GameObject.Find("drops_text").GetComponent<Text>();
 47        */
 48
 49        input_panel.SetActive(false);
 50        targets_panel.SetActive(false);
 51        items_panel.SetActive(false);
 52        results_panel.SetActive(false);
 53
 54        ability_buttons = input_panel.transform.GetComponentsInChildren<Button>();
 55        target_buttons = targets_panel.GetComponentsInChildren<Button>();
 56        item_buttons = items_panel.GetComponentsInChildren<Button>();
 57
 58        
 59        #region Set target buttons
 60        foreach (Fighter f in battle.fighters)
 61        {
 62            if (f.fighter_number < 0 || f.fighter_number >= maxTargetNumber)
 63            {
 64                i = maxTargetNumber - 1;
 65            }
 66            else
 67            {
 68                i = f.fighter_number;
 69            }
 70            target_buttons[i].GetComponentInChildren<Text>().text = f.ToString();
 71        }
 72        foreach (Button b in target_buttons)
 73        {
 74            if (b.GetComponentInChildren<Text>().text == "")
 75            {
 76                b.gameObject.SetActive(false);
 77            }
 78        }
 79        #endregion
 80    }
 81    
 82    public void showAbilities(bool show) //show abilities menu 
 83    {
 84        if (show && input_panel.activeSelf == false)
 85        {
 86            input_panel.SetActive(true);
 87
 88            //read abilities from current fighter
 89            abilities = battle.turn.stats.GetAbilities();
 90
 91            i = 0;
 92            foreach(Ability a in abilities)
 93            {
 94                if(i == maxAbilityNumber - 1)
 95                {
 96                    break;
 97                }
 98
 99                //show ability_buttons
100                ability_buttons[i].gameObject.SetActive(true);
101                ability_buttons[i].GetComponentInChildren<Text>().text = a.ToString();
102                ability_buttons[i].GetComponent<ActionButton>().setDescription(a.GetDescription());
103                ability_buttons[i].onClick.AddListener(() => selectTarget(a));
104                i++;
105            }
106
107            //add Items entry for everybody
108            ability_buttons[i].gameObject.SetActive(true);
109            ability_buttons[i].GetComponentInChildren<Text>().text = itemsGuiName;
110            ability_buttons[i].GetComponent<ActionButton>().setDescription("Use an item.");
111            ability_buttons[i].onClick.AddListener(() => showItems(true));
112            i++;
113
114            for (; i < maxAbilityNumber; i++)
115            {
116                //disable remaining ability_buttons
117                ability_buttons[i].gameObject.SetActive(false);
118            }
119
120        } else if (!show && input_panel.activeSelf == true)
121        {
122            input_panel.SetActive(false);
123        }
124    }
125
126    
127
128    private void showItems(bool onOff)
129    {
130        if (onOff)
131        {
132            items_panel.SetActive(true);
133            targets_panel.SetActive(false);
134            UI.updateItems(this, gm.inventory, item_buttons);
135        } else
136        {
137            items_panel.SetActive(false);
138        }
139        
140    }
141
142    public override void showTargets(Action ac) //show targets menu for abilities 
143    {
144        targets_panel.SetActive(true);
145        if(ac is Ability)
146        {
147            items_panel.SetActive(false);
148        }
149
150        //set current buttons
151        foreach (Fighter f in battle.fighters)
152        {
153            if (f.fighter_number < 0 || f.fighter_number >= maxTargetNumber)
154            {
155                i = maxTargetNumber - 1;
156            }
157            else
158            {
159                i = f.fighter_number;
160            }
161
162            target_buttons[i].onClick.RemoveAllListeners();
163            target_buttons[i].onClick.AddListener(() => sendInput(ac, f));
164        }
165    }
166
167    private void sendInput(Action ac, Fighter target)
168    {
169        //hide panel
170        targets_panel.SetActive(false);
171        items_panel.SetActive(false);
172        input_panel.SetActive(false);
173
174        //send input
175        battle.getInput(ac, target);
176    }
177
178    private void selectTarget(Ability a) //asks user the target for an ability 
179    {
180        if (a.hasTarget)
181        {
182            UI.changeText(status, battle.turn + ": Select target for " + a.guiName);
183            showTargets(a);
184        } else
185        {
186            sendInput(a, null);
187        }
188    }
189
190    public void showResults(int gold, Inventory items)  //shows drops list at the end of battle 
191    {
192        drops.text = gold + "g\n";
193
194        if (items != null)
195        {
196            foreach (ItemInfo it in items.getContents())
197            {
198                drops.text += "\n" + it.ToString();
199            }
200        }
201        //hide status, show results_panel
202        status_panel.SetActive(false);
203        results_panel.SetActive(true);
204    }
205
206    public void ShowDamage(Fighter f, int damage, bool crit) //shows damage tooltip above a fighter. TODO: handle text color (green for healing)
207    {
208        StartCoroutine(showDamageLate(f, damage, crit, UI.BattleSpeed, UI.BattleSpeed * 0.5f));
209    }
210
211    #region Damage Tooltip stuff
212    private IEnumerator showDamageLate(Fighter f, int damage, bool crit, float offset, float duration)
213    {
214        //get tooltip
215        Text tmptext = f.damage_tooltip.GetComponent<Text>();
216        //wait for attack animation to finish
217        yield return new WaitForSeconds(offset);
218
219        //show tooltip
220        tmptext.text = "";
221        tmptext.color = new Color(1f, 0.5f, 0f);
222        if (damage == 0)
223        {
224            tmptext.text += "Miss!";
225        }
226        else
227        {
228            if(damage < 0)
229            {
230                //target was healed
231                damage *= -1;
232                tmptext.color = Color.green;
233            } else
234            {
235                //target was damaged
236                f.animator.SetTrigger("Damage");
237                if (crit)
238                {
239                    tmptext.color = Color.red;
240                }
241            }
242            tmptext.text += damage;
243        }
244        
245
246        //wait, then hide tooltip
247        yield return new WaitForSeconds(duration);
248        f.damage_tooltip.GetComponent<Text>().text = "";
249
250    }
251    #endregion
252
253}