/*
 * Copyright (C) 2008-2010 TrinityCore <http://www.trinitycore.org/>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

/*
 * Scripts for spells with SPELLFAMILY_PALADIN and SPELLFAMILY_GENERIC spells used by paladin players.
 * Ordered alphabetically using scriptname.
 * Scriptnames of files in this file should be prefixed with "spell_pal_".
 */

#include "ScriptPCH.h"

enum PaladinSpells
{
    PALADIN_SPELL_HOLY_SHOCK_R1                  = 20473,
    PALADIN_SPELL_HOLY_SHOCK_R1_DAMAGE           = 25912,
    PALADIN_SPELL_HOLY_SHOCK_R1_HEALING          = 25914,

    SPELL_BLESSING_OF_LOWER_CITY_DRUID           = 37878,
    SPELL_BLESSING_OF_LOWER_CITY_PALADIN         = 37879,
    SPELL_BLESSING_OF_LOWER_CITY_PRIEST          = 37880,
    SPELL_BLESSING_OF_LOWER_CITY_SHAMAN          = 37881,
};

class spell_pal_blessing_of_faith : public SpellHandlerScript
{
    public:
        spell_pal_blessing_of_faith() : SpellHandlerScript("spell_pal_blessing_of_faith") { }

        class spell_pal_blessing_of_faith_SpellScript : public SpellScript
        {
            bool Validate(SpellEntry const *spellEntry)
            {
                if (!sSpellStore.LookupEntry(SPELL_BLESSING_OF_LOWER_CITY_DRUID))
                    return false;
                if (!sSpellStore.LookupEntry(SPELL_BLESSING_OF_LOWER_CITY_PALADIN))
                    return false;
                if (!sSpellStore.LookupEntry(SPELL_BLESSING_OF_LOWER_CITY_PRIEST))
                    return false;
                if (!sSpellStore.LookupEntry(SPELL_BLESSING_OF_LOWER_CITY_SHAMAN))
                    return false;
                return true;
            }

            void HandleDummy(SpellEffIndex effIndex)
            {
                if (Unit *unitTarget = GetHitUnit())
                {
                    uint32 spell_id = 0;
                    switch(unitTarget->getClass())
                    {
                        case CLASS_DRUID:   spell_id = SPELL_BLESSING_OF_LOWER_CITY_DRUID; break;
                        case CLASS_PALADIN: spell_id = SPELL_BLESSING_OF_LOWER_CITY_PALADIN; break;
                        case CLASS_PRIEST:  spell_id = SPELL_BLESSING_OF_LOWER_CITY_PRIEST; break;
                        case CLASS_SHAMAN:  spell_id = SPELL_BLESSING_OF_LOWER_CITY_SHAMAN; break;
                        default: return;                    // ignore for non-healing classes
                    }

                    GetCaster()->CastSpell(GetCaster(), spell_id, true);
                }
            }

            void Register()
            {
                // add dummy effect spell handler to Blessing of Faith
                EffectHandlers += EffectHandlerFn(spell_pal_blessing_of_faith_SpellScript::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
            }
        };

        SpellScript *GetSpellScript() const
        {
            return new spell_pal_blessing_of_faith_SpellScript();
        }
};

class spell_pal_holy_shock : public SpellHandlerScript
{
    public:
        spell_pal_holy_shock() : SpellHandlerScript("spell_pal_holy_shock") { }

        class spell_pal_holy_shock_SpellScript : public SpellScript
        {
            bool Validate(SpellEntry const *spellEntry)
            {
                if (!sSpellStore.LookupEntry(PALADIN_SPELL_HOLY_SHOCK_R1))
                    return false;

                // can't use other spell than holy shock due to spell_ranks dependency
                if (sSpellMgr.GetFirstSpellInChain(PALADIN_SPELL_HOLY_SHOCK_R1) != sSpellMgr.GetFirstSpellInChain(spellEntry->Id))
                    return false;

                uint8 rank = sSpellMgr.GetSpellRank(spellEntry->Id);
                if (!sSpellMgr.GetSpellWithRank(PALADIN_SPELL_HOLY_SHOCK_R1_DAMAGE, rank, true))
                    return false;
                if (!sSpellMgr.GetSpellWithRank(PALADIN_SPELL_HOLY_SHOCK_R1_HEALING, rank, true))
                    return false;

                return true;
            }

            void HandleDummy(SpellEffIndex effIndex)
            {
                if (Unit *unitTarget = GetHitUnit())
                {
                    Unit *caster = GetCaster();

                    uint8 rank = sSpellMgr.GetSpellRank(GetSpellInfo()->Id);

                    if (caster->IsFriendlyTo(unitTarget))
                        caster->CastSpell(unitTarget, sSpellMgr.GetSpellWithRank(PALADIN_SPELL_HOLY_SHOCK_R1_HEALING, rank), true, 0);
                    else
                        caster->CastSpell(unitTarget, sSpellMgr.GetSpellWithRank(PALADIN_SPELL_HOLY_SHOCK_R1_DAMAGE, rank), true, 0);
                }
            }

            void Register()
            {
                // add dummy effect spell handler to Holy Shock
                EffectHandlers += EffectHandlerFn(spell_pal_holy_shock_SpellScript::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
            }
        };

        SpellScript *GetSpellScript() const
        {
            return new spell_pal_holy_shock_SpellScript();
        }
};

class spell_pal_judgement_of_command : public SpellHandlerScript
{
    public:
        spell_pal_judgement_of_command() : SpellHandlerScript("spell_pal_judgement_of_command") { }

        class spell_pal_judgement_of_command_SpellScript : public SpellScript
        {
            void HandleDummy(SpellEffIndex effIndex)
            {
                if (Unit *unitTarget = GetHitUnit())
                    if (SpellEntry const* spell_proto = sSpellStore.LookupEntry(GetEffectValue()))
                        GetCaster()->CastSpell(unitTarget, spell_proto, true, NULL);
            }

            void Register()
            {
                // add dummy effect spell handler to Judgement of Command
                EffectHandlers += EffectHandlerFn(spell_pal_judgement_of_command_SpellScript::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
            }
        };

        SpellScript *GetSpellScript() const
        {
            return new spell_pal_judgement_of_command_SpellScript();
        }
};

void AddSC_paladin_spell_scripts()
{
    new spell_pal_blessing_of_faith;
    new spell_pal_holy_shock;
    new spell_pal_judgement_of_command;
}