ability_item_usage_dragon_knight.lua

---@diagnostic disable: undefined-global
require(GetScriptDirectory() .. "/utility")
require(GetScriptDirectory() .. "/ability_item_usage_generic")
require(GetScriptDirectory() .. "/ability_levelup_generic")

function CourierUsageThink()
    ability_item_usage_generic.CourierUsageThink()
end

function BuybackUsageThink()
    ability_item_usage_generic.BuybackUsageThink();
end

-- Ability learn
local npcBot = GetBot();
local Abilities, Talents, AbilitiesReal = ability_levelup_generic.GetHeroAbilities(npcBot)

local AbilityToLevelUp =
{
    Abilities[1],
    Abilities[2],
    Abilities[3],
    Abilities[1],
    Abilities[1],
    Abilities[6],
    Abilities[1],
    Abilities[3],
    Abilities[3],
    Talents[2],
    Abilities[3],
    Abilities[6],
    Abilities[2],
    Abilities[2],
    Talents[4],
    Abilities[2],
    Abilities[6],
    Talents[5],
    Talents[7],
    Talents[1],
    Talents[3],
    Talents[6],
    Talents[8],
}

function AbilityLevelUpThink()
    ability_levelup_generic.AbilityLevelUpThink(AbilityToLevelUp)
end

-- Abilities
local BreatheFire = AbilitiesReal[1]
local DragonTail = AbilitiesReal[2]
local Fireball = AbilitiesReal[4]
local ElderDragonForm = AbilitiesReal[6]

function AbilityUsageThink()
    if not utility.CanCast(npcBot) then
        return;
    end

    botMode = npcBot:GetActiveMode();
    botTarget = npcBot:GetTarget();
    HealthPercentage = npcBot:GetHealth() / npcBot:GetMaxHealth();
    ManaPercentage = npcBot:GetMana() / npcBot:GetMaxMana();

    local castBreatheFireDesire, castBreatheFireLocation = ConsiderBreatheFire();
    local castDragonTailDesire, castDragonTailTarget = ConsiderDragonTail();
    local castFireballDesire, castFireballLocation = ConsiderFireball();
    local castElderDragonFormDesire = ConsiderElderDragonForm();

    if (castBreatheFireDesire > 0)
    then
        npcBot:Action_UseAbilityOnLocation(BreatheFire, castBreatheFireLocation);
        return;
    end

    if (castDragonTailDesire > 0)
    then
        npcBot:Action_UseAbilityOnEntity(DragonTail, castDragonTailTarget);
        return;
    end

    if (castFireballDesire > 0)
    then
        npcBot:Action_UseAbilityOnLocation(Fireball, castFireballLocation);
        return;
    end

    if (castElderDragonFormDesire > 0)
    then
        npcBot:Action_UseAbility(ElderDragonForm);
        return;
    end
end

function ConsiderBreatheFire()
    local ability = BreatheFire;
    if not utility.IsAbilityAvailable(ability) then
        return BOT_ACTION_DESIRE_NONE, 0;
    end

    local castRangeAbility = ability:GetSpecialValueInt("AbilityCastRange");
    local radiusAbility = ability:GetSpecialValueInt("end_radius");
    local damageAbility = ability:GetSpecialValueInt("damage")
    local delayAbility = ability:GetSpecialValueInt("AbilityCastPoint");
    local speedAbility = ability:GetSpecialValueInt("speed");
    local enemyAbility = npcBot:GetNearbyHeroes(castRangeAbility + 200, true, BOT_MODE_NONE);

    -- Cast if can kill somebody
    if (#enemyAbility > 0)
    then
        for _, enemy in pairs(enemyAbility) do
            if utility.CanAbilityKillTarget(enemy, damageAbility, ability:GetDamageType())
            then
                if utility.CanCastSpellOnTarget(ability, enemy)
                then
                    return BOT_ACTION_DESIRE_VERYHIGH,
                        utility.GetTargetCastPosition(npcBot, enemy, delayAbility, speedAbility);
                end
            end
        end
    end

    -- Attack use
    if utility.PvPMode(npcBot) or utility.BossMode(npcBot)
    then
        if utility.IsHero(botTarget) or utility.IsBoss(botTarget)
        then
            if utility.CanCastSpellOnTarget(ability, botTarget) and GetUnitToUnitDistance(npcBot, botTarget) <= castRangeAbility
            then
                return BOT_ACTION_DESIRE_VERYHIGH,
                    utility.GetTargetCastPosition(npcBot, botTarget, delayAbility, speedAbility);
            end
        end
    end

    -- Retreat or help ally use
    if utility.RetreatMode(npcBot)
    then
        if (#enemyAbility > 0)
        then
            for _, enemy in pairs(enemyAbility) do
                if utility.CanCastSpellOnTarget(ability, enemy)
                then
                    --npcBot:ActionImmediate_Chat("Использую BreatheFire для отступления!", true);
                    return BOT_ACTION_DESIRE_VERYHIGH,
                        utility.GetTargetCastPosition(npcBot, enemy, delayAbility, speedAbility);
                end
            end
        end
    end

    -- Cast if push/defend/farm
    if utility.PvEMode(npcBot)
    then
        local locationAoE = npcBot:FindAoELocation(true, false, npcBot:GetLocation(), castRangeAbility,
            radiusAbility,
            0, 0);
        if locationAoE ~= nil and (ManaPercentage >= 0.6) and (locationAoE.count >= 3)
        then
            --npcBot:ActionImmediate_Chat("Использую BreatheFire по вражеским крипам!", true);
            return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc, "location";
        end
    end

    -- Cast when laning
    if botMode == BOT_MODE_LANING
    then
        local enemy = utility.GetWeakest(enemyAbility);
        if utility.CanCastSpellOnTarget(ability, enemy) and (ManaPercentage >= 0.7)
        then
            --npcBot:ActionImmediate_Chat("Использую BreatheFire по цели на ЛАЙНЕ!", true);
            return BOT_ACTION_DESIRE_VERYHIGH, utility.GetTargetCastPosition(npcBot, enemy, delayAbility, speedAbility);
        end
    end

    return BOT_ACTION_DESIRE_NONE, 0;
end

function ConsiderDragonTail()
    local ability = DragonTail;
    if not utility.IsAbilityAvailable(ability) then
        return BOT_ACTION_DESIRE_NONE, 0;
    end

    local castRangeAbility = ability:GetCastRange() + 200;
    local damageAbility = ability:GetAbilityDamage();
    local enemyAbility = npcBot:GetNearbyHeroes(castRangeAbility, true, BOT_MODE_NONE);

    -- Cast if can kill somebody/interrupt cast
    if (#enemyAbility > 0)
    then
        for _, enemy in pairs(enemyAbility) do
            if utility.CanAbilityKillTarget(enemy, damageAbility, ability:GetDamageType()) or enemy:IsChanneling()
            then
                if utility.CanCastSpellOnTarget(ability, enemy)
                then
                    --npcBot:ActionImmediate_Chat("Использую DragonTail что бы сбить заклинание или убить цель!",true);
                    return BOT_ACTION_DESIRE_VERYHIGH, enemy;
                end
            end
        end
    end

    -- Attack use
    if utility.PvPMode(npcBot) or utility.BossMode(npcBot)
    then
        if utility.IsHero(botTarget) or utility.IsBoss(botTarget)
        then
            if utility.CanCastSpellOnTarget(ability, botTarget) and GetUnitToUnitDistance(npcBot, botTarget) <= castRangeAbility
                and not utility.IsDisabled(botTarget)
            then
                return BOT_MODE_DESIRE_HIGH, botTarget;
            end
        end
    end

    -- Retreat use
    if utility.RetreatMode(npcBot)
    then
        if (#enemyAbility > 0)
        then
            for _, enemy in pairs(enemyAbility) do
                if utility.CanCastSpellOnTarget(ability, enemy) and not utility.IsDisabled(enemy)
                then
                    --npcBot:ActionImmediate_Chat("Использую DragonTail что бы оторваться от врага",true);
                    return BOT_ACTION_DESIRE_VERYHIGH, enemy;
                end
            end
        end
    end

    return BOT_ACTION_DESIRE_NONE, 0;
end

function ConsiderFireball()
    local ability = Fireball;
    if not utility.IsAbilityAvailable(ability) then
        return BOT_ACTION_DESIRE_NONE, 0;
    end

    local castRangeAbility = ability:GetCastRange();
    local radiusAbility = ability:GetSpecialValueInt("radius");
    local delayAbility = ability:GetSpecialValueInt("AbilityCastPoint");

    --[[     if npcBot:HasModifier("modifier_dragon_knight_corrosive_breath")
    then
        castRangeAbility = ability:GetSpecialValueInt("dragon_form_cast_range");
    else
        castRangeAbility = ability:GetSpecialValueInt("melee_cast_range");
    end ]]

    -- Attack use
    if utility.PvPMode(npcBot) or utility.BossMode(npcBot)
    then
        if utility.IsHero(botTarget) or utility.IsBoss(botTarget)
        then
            if utility.CanCastSpellOnTarget(ability, botTarget) and GetUnitToUnitDistance(npcBot, botTarget) <= castRangeAbility
            then
                return BOT_ACTION_DESIRE_VERYHIGH, utility.GetTargetCastPosition(npcBot, botTarget, delayAbility, 0);
            end
        end
    end

    -- Retreat use
    if utility.RetreatMode(npcBot)
    then
        if (#enemyAbility > 0)
        then
            for _, enemy in pairs(enemyAbility) do
                if utility.CanCastSpellOnTarget(ability, enemy)
                then
                    --npcBot:ActionImmediate_Chat("Использую Fireball для отступления!", true);
                    return BOT_ACTION_DESIRE_VERYHIGH, utility.GetTargetCastPosition(npcBot, enemy, delayAbility, 0);
                end
            end
        end
    end

    -- Cast if push/defend/farm
    if utility.PvEMode(npcBot)
    then
        local locationAoE = npcBot:FindAoELocation(true, false, npcBot:GetLocation(), castRangeAbility,
            radiusAbility,
            0, 0);
        if locationAoE ~= nil and (ManaPercentage >= 0.6) and (locationAoE.count >= 4)
        then
            --npcBot:ActionImmediate_Chat("Использую Fireball по вражеским крипам!", true);
            return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc, "location";
        end
    end

    -- Cast when laning
    if botMode == BOT_MODE_LANING
    then
        local enemy = utility.GetWeakest(enemyAbility);
        if utility.CanCastSpellOnTarget(ability, enemy) and (ManaPercentage >= 0.7)
        then
            --npcBot:ActionImmediate_Chat("Использую Fireball по цели на ЛАЙНЕ!", true);
            return BOT_ACTION_DESIRE_VERYHIGH, utility.GetTargetCastPosition(npcBot, enemy, delayAbility, 0);
        end
    end

    return BOT_ACTION_DESIRE_NONE, 0;
end

function ConsiderElderDragonForm()
    local ability = ElderDragonForm;
    if not utility.IsAbilityAvailable(ability) then
        return BOT_ACTION_DESIRE_NONE;
    end

    if npcBot:HasModifier("modifier_dragon_knight_corrosive_breath")
    then
        return BOT_ACTION_DESIRE_NONE;
    end

    local attackRange = npcBot:GetAttackRange() + ability:GetSpecialValueInt("bonus_attack_range");

    -- Attack use
    if utility.PvPMode(npcBot)
    then
        if utility.IsHero(botTarget) and GetUnitToUnitDistance(npcBot, botTarget) <= (attackRange * 2)
        then
            if utility.CanCastSpellOnTarget(ability, botTarget)
            then
                --npcBot:ActionImmediate_Chat("Использую ElderDragonForm для нападения!", true);
                return BOT_ACTION_DESIRE_HIGH;
            end
        end
    end

    -- Retreat use
    if utility.RetreatMode(npcBot)
    then
        if (HealthPercentage <= 0.6) and npcBot:WasRecentlyDamagedByAnyHero(2.0)
        then
            --npcBot:ActionImmediate_Chat("Использую ElderDragonForm для отступления!", true);
            return BOT_ACTION_DESIRE_HIGH;
        end
    end

    return BOT_ACTION_DESIRE_NONE;
end