/*
 * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 */

#include "ScriptMgr.h"
#include "ScriptedCreature.h"
#include "ScriptedGossip.h"
#include "blackrock_depths.h"
#include "Player.h"

enum Spells
{
    SPELL_SMELT_DARK_IRON                         = 14891,
    SPELL_LEARN_SMELT                             = 14894,
};

enum Quests
{
    QUEST_SPECTRAL_CHALICE                        = 4083
};

enum Misc
{
    DATA_SKILLPOINT_MIN                           = 230
};

#define GOSSIP_ITEM_TEACH_1 "Teach me the art of smelting dark iron"
#define GOSSIP_ITEM_TEACH_2 "Continue..."
#define GOSSIP_ITEM_TEACH_3 "[PH] Continue..."
#define GOSSIP_ITEM_TRIBUTE "I want to pay tribute"

class boss_gloomrel : public CreatureScript
{
public:
    boss_gloomrel() : CreatureScript("boss_gloomrel") { }

    bool OnGossipSelect(Player* player, Creature* creature, uint32 /*sender*/, uint32 action)
    {
        player->PlayerTalkClass->ClearMenus();
        switch (action)
        {
            case GOSSIP_ACTION_INFO_DEF+1:
                player->ADD_GOSSIP_ITEM(GOSSIP_ICON_CHAT, GOSSIP_ITEM_TEACH_2, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + 11);
                player->SEND_GOSSIP_MENU(2606, creature->GetGUID());
                break;
            case GOSSIP_ACTION_INFO_DEF+11:
                player->CLOSE_GOSSIP_MENU();
                player->CastSpell(player, SPELL_LEARN_SMELT, false);
                break;
            case GOSSIP_ACTION_INFO_DEF+2:
                player->ADD_GOSSIP_ITEM(GOSSIP_ICON_CHAT, GOSSIP_ITEM_TEACH_3, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + 22);
                player->SEND_GOSSIP_MENU(2604, creature->GetGUID());
                break;
            case GOSSIP_ACTION_INFO_DEF+22:
                player->CLOSE_GOSSIP_MENU();
                if (InstanceScript* instance = creature->GetInstanceScript())
                {
                    //are 5 minutes expected? go template may have data to despawn when used at quest
                    instance->DoRespawnGameObject(instance->GetData64(DATA_GO_CHALICE), MINUTE*5);
                }
                break;
        }
        return true;
    }

    bool OnGossipHello(Player* player, Creature* creature)
    {
        if (player->GetQuestRewardStatus(QUEST_SPECTRAL_CHALICE) == 1 && player->GetSkillValue(SKILL_MINING) >= DATA_SKILLPOINT_MIN && !player->HasSpell(SPELL_SMELT_DARK_IRON))
            player->ADD_GOSSIP_ITEM(GOSSIP_ICON_CHAT, GOSSIP_ITEM_TEACH_1, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + 1);

        if (player->GetQuestRewardStatus(QUEST_SPECTRAL_CHALICE) == 0 && player->GetSkillValue(SKILL_MINING) >= DATA_SKILLPOINT_MIN)
            player->ADD_GOSSIP_ITEM(GOSSIP_ICON_CHAT, GOSSIP_ITEM_TRIBUTE, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + 2);

        player->SEND_GOSSIP_MENU(player->GetGossipTextId(creature), creature->GetGUID());
        return true;
    }
};

enum DoomrelSpells
{
    SPELL_SHADOWBOLTVOLLEY                                 = 15245,
    SPELL_IMMOLATE                                         = 12742,
    SPELL_CURSEOFWEAKNESS                                  = 12493,
    SPELL_DEMONARMOR                                       = 13787,
    SPELL_SUMMON_VOIDWALKERS                               = 15092
};

#define GOSSIP_ITEM_CHALLENGE   "Your bondage is at an end, Doom'rel. I challenge you!"
#define GOSSIP_SELECT_DOOMREL   "[PH] Continue..."

class boss_doomrel : public CreatureScript
{
public:
    boss_doomrel() : CreatureScript("boss_doomrel") { }

    bool OnGossipSelect(Player* player, Creature* creature, uint32 /*sender*/, uint32 action)
    {
        player->PlayerTalkClass->ClearMenus();
        switch (action)
        {
            case GOSSIP_ACTION_INFO_DEF+1:
                player->ADD_GOSSIP_ITEM(GOSSIP_ICON_CHAT, GOSSIP_SELECT_DOOMREL, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + 2);
                player->SEND_GOSSIP_MENU(2605, creature->GetGUID());
                break;
            case GOSSIP_ACTION_INFO_DEF+2:
                player->CLOSE_GOSSIP_MENU();
                //start event here
                creature->setFaction(FACTION_HOSTILE);
                creature->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE_TO_PC);
                creature->AI()->AttackStart(player);
                InstanceScript* instance = creature->GetInstanceScript();
                if (instance)
                    instance->SetData64(DATA_EVENSTARTER, player->GetGUID());
                break;
        }
        return true;
    }

    bool OnGossipHello(Player* player, Creature* creature)
    {
        player->ADD_GOSSIP_ITEM(GOSSIP_ICON_CHAT, GOSSIP_ITEM_CHALLENGE, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + 1);
        player->SEND_GOSSIP_MENU(2601, creature->GetGUID());

        return true;
    }

    CreatureAI* GetAI(Creature* creature) const
    {
        return GetInstanceAI<boss_doomrelAI>(creature);
    }

    struct boss_doomrelAI : public ScriptedAI
    {
        boss_doomrelAI(Creature* creature) : ScriptedAI(creature)
        {
            instance = creature->GetInstanceScript();
        }

        InstanceScript* instance;
        uint32 ShadowVolley_Timer;
        uint32 Immolate_Timer;
        uint32 CurseOfWeakness_Timer;
        uint32 DemonArmor_Timer;
        bool Voidwalkers;

        void Reset()
        {
            ShadowVolley_Timer = 10000;
            Immolate_Timer = 18000;
            CurseOfWeakness_Timer = 5000;
            DemonArmor_Timer = 16000;
            Voidwalkers = false;

            me->setFaction(FACTION_FRIEND);

            // was set before event start, so set again
            me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE_TO_PC);

            if (instance->GetData(DATA_GHOSTKILL) >= 7)
                me->SetUInt32Value(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_NONE);
            else
                me->SetUInt32Value(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_GOSSIP);
        }

        void EnterCombat(Unit* /*who*/)
        {
        }

        void EnterEvadeMode()
        {
            me->RemoveAllAuras();
            me->DeleteThreatList();
            me->CombatStop(true);
            me->LoadCreaturesAddon(true);
            if (me->IsAlive())
                me->GetMotionMaster()->MoveTargetedHome();
            me->SetLootRecipient(NULL);
            instance->SetData64(DATA_EVENSTARTER, 0);
        }

        void JustDied(Unit* /*killer*/)
        {
            instance->SetData(DATA_GHOSTKILL, 1);
        }

        void UpdateAI(uint32 diff)
        {
            if (!UpdateVictim())
                return;

            //ShadowVolley_Timer
            if (ShadowVolley_Timer <= diff)
            {
                DoCastVictim(SPELL_SHADOWBOLTVOLLEY);
                ShadowVolley_Timer = 12000;
            } else ShadowVolley_Timer -= diff;

            //Immolate_Timer
            if (Immolate_Timer <= diff)
            {
                if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0, 100, true))
                    DoCast(target, SPELL_IMMOLATE);

                Immolate_Timer = 25000;
            } else Immolate_Timer -= diff;

            //CurseOfWeakness_Timer
            if (CurseOfWeakness_Timer <= diff)
            {
                DoCastVictim(SPELL_CURSEOFWEAKNESS);
                CurseOfWeakness_Timer = 45000;
            } else CurseOfWeakness_Timer -= diff;

            //DemonArmor_Timer
            if (DemonArmor_Timer <= diff)
            {
                DoCast(me, SPELL_DEMONARMOR);
                DemonArmor_Timer = 300000;
            } else DemonArmor_Timer -= diff;

            //Summon Voidwalkers
            if (!Voidwalkers && HealthBelowPct(51))
            {
                DoCastVictim(SPELL_SUMMON_VOIDWALKERS, true);
                Voidwalkers = true;
            }

            DoMeleeAttackIfReady();
        }
    };
};

void AddSC_boss_tomb_of_seven()
{
    new boss_gloomrel();
    new boss_doomrel();
}
