local ____lualib = require("lualib_bundle")
local __TS__Class = ____lualib.__TS__Class
local __TS__ClassExtends = ____lualib.__TS__ClassExtends
local __TS__Decorate = ____lualib.__TS__Decorate
local ____exports = {}
local ____difficulty_manager = require("difficulty_manager")
local Difficulty = ____difficulty_manager.Difficulty
local ____dota_ts_adapter = require("lib.dota_ts_adapter")
local BaseAbility = ____dota_ts_adapter.BaseAbility
local BaseModifier = ____dota_ts_adapter.BaseModifier
local registerAbility = ____dota_ts_adapter.registerAbility
local registerModifier = ____dota_ts_adapter.registerModifier
local ZOMBIE_VIRUS_DEBUFF_NAME = "modifier_zombie_virus_debuff"
local ZOMBIE_VIRUS_MAX_INSTANCES = 9
local function countZombieVirusDebuffInstances(self, unit)
    local n = 0
    do
        local i = 0
        while i < unit:GetModifierCount() do
            if unit:GetModifierNameByIndex(i) == ZOMBIE_VIRUS_DEBUFF_NAME then
                n = n + 1
            end
            i = i + 1
        end
    end
    return n
end
____exports.zombie_virus = __TS__Class()
local zombie_virus = ____exports.zombie_virus
zombie_virus.name = "zombie_virus"
zombie_virus.____file_path = "scripts/vscripts/abilities/creep/zombie_virus.lua"
__TS__ClassExtends(zombie_virus, BaseAbility)
function zombie_virus.prototype.GetIntrinsicModifierName(self)
    return "modifier_zombie_virus_intrinsic"
end
zombie_virus = __TS__Decorate(
    zombie_virus,
    zombie_virus,
    {registerAbility(nil)},
    {kind = "class", name = "zombie_virus"}
)
____exports.zombie_virus = zombie_virus
____exports.modifier_zombie_virus_intrinsic = __TS__Class()
local modifier_zombie_virus_intrinsic = ____exports.modifier_zombie_virus_intrinsic
modifier_zombie_virus_intrinsic.name = "modifier_zombie_virus_intrinsic"
modifier_zombie_virus_intrinsic.____file_path = "scripts/vscripts/abilities/creep/zombie_virus.lua"
__TS__ClassExtends(modifier_zombie_virus_intrinsic, BaseModifier)
function modifier_zombie_virus_intrinsic.prototype.IsHidden(self)
    return true
end
function modifier_zombie_virus_intrinsic.prototype.IsDebuff(self)
    return false
end
function modifier_zombie_virus_intrinsic.prototype.IsPurgable(self)
    return false
end
function modifier_zombie_virus_intrinsic.prototype.OnCreated(self)
    if not IsServer() then
        return
    end
end
function modifier_zombie_virus_intrinsic.prototype.DeclareFunctions(self)
    return {MODIFIER_EVENT_ON_ATTACK_LANDED}
end
function modifier_zombie_virus_intrinsic.prototype.OnAttackLanded(self, event)
    if not IsServer() then
        return
    end
    if event.attacker ~= self:GetParent() then
        return
    end
    local ability = self:GetAbility()
    if not ability then
        return
    end
    local primaryZombieVirus = event.attacker:FindAbilityByName("zombie_virus")
    if not primaryZombieVirus or ability ~= primaryZombieVirus then
        return
    end
    local target = event.target
    if not target or target:GetUnitName() == "npc_homer" then
        return
    end
    local duration = ability:GetSpecialValueFor("duration")
    if RandomInt(1, 100) > ability:GetSpecialValueFor("chance") then
        return
    end
    if countZombieVirusDebuffInstances(nil, target) >= ZOMBIE_VIRUS_MAX_INSTANCES then
        return
    end
    target:AddNewModifier(
        self:GetParent(),
        ability,
        ZOMBIE_VIRUS_DEBUFF_NAME,
        {duration = duration}
    )
end
modifier_zombie_virus_intrinsic = __TS__Decorate(
    modifier_zombie_virus_intrinsic,
    modifier_zombie_virus_intrinsic,
    {registerModifier(nil)},
    {kind = "class", name = "modifier_zombie_virus_intrinsic"}
)
____exports.modifier_zombie_virus_intrinsic = modifier_zombie_virus_intrinsic
____exports.modifier_zombie_virus_debuff = __TS__Class()
local modifier_zombie_virus_debuff = ____exports.modifier_zombie_virus_debuff
modifier_zombie_virus_debuff.name = "modifier_zombie_virus_debuff"
modifier_zombie_virus_debuff.____file_path = "scripts/vscripts/abilities/creep/zombie_virus.lua"
__TS__ClassExtends(modifier_zombie_virus_debuff, BaseModifier)
function modifier_zombie_virus_debuff.prototype.IsHidden(self)
    return true
end
function modifier_zombie_virus_debuff.prototype.IsDebuff(self)
    return true
end
function modifier_zombie_virus_debuff.prototype.IsPurgable(self)
    return true
end
function modifier_zombie_virus_debuff.prototype.DeclareFunctions(self)
    return {MODIFIER_PROPERTY_MOVESPEED_BONUS_PERCENTAGE, MODIFIER_PROPERTY_PHYSICAL_ARMOR_BONUS}
end
function modifier_zombie_virus_debuff.prototype.GetModifierMoveSpeedBonus_Percentage(self)
    local ability = self:GetAbility()
    if not ability then
        return 0
    end
    return -ability:GetSpecialValueFor("slow_movespeed") * Difficulty:getNpcStatScale()
end
function modifier_zombie_virus_debuff.prototype.GetModifierPhysicalArmorBonus(self)
    local ability = self:GetAbility()
    if not ability then
        return 0
    end
    return -ability:GetSpecialValueFor("armor") * Difficulty:getNpcStatScale()
end
function modifier_zombie_virus_debuff.prototype.OnCreated(self)
    local ability = self:GetAbility()
    if not ability then
        return
    end
    self.damage = ability:GetSpecialValueFor("damage")
    self.tickInterval = ability:GetSpecialValueFor("tick_interval")
    if IsServer() then
        local caster = self:GetCaster()
        if not caster or caster:IsNull() or not IsValidEntity(caster) or not caster:IsAlive() then
            self:Destroy()
            return
        end
        self:StartIntervalThink(self.tickInterval)
        self.particleId = ParticleManager:CreateParticle(
            "particles/econ/items/viper/viper_ti7_immortal/viper_poison_debuff_ti7.vpcf",
            PATTACH_ABSORIGIN_FOLLOW,
            self:GetParent()
        )
        ParticleManager:SetParticleControl(
            self.particleId,
            0,
            self:GetParent():GetAbsOrigin()
        )
        ParticleManager:SetParticleControl(
            self.particleId,
            1,
            self:GetParent():GetAbsOrigin()
        )
    end
end
function modifier_zombie_virus_debuff.prototype.OnRefresh(self, params)
    if self.particleId then
        ParticleManager:DestroyParticle(self.particleId, false)
        ParticleManager:ReleaseParticleIndex(self.particleId)
    end
end
function modifier_zombie_virus_debuff.prototype.OnIntervalThink(self)
    if not IsServer() then
        return
    end
    local ability = self:GetAbility()
    local caster = self:GetCaster()
    local target = self:GetParent()
    if not ability or ability:IsNull() or not caster or caster:IsNull() or not IsValidEntity(caster) or not caster:IsAlive() then
        self:Destroy()
        return
    end
    local tickDamage = self.damage * self.tickInterval * Difficulty:getNpcStatScale()
    if target and target:IsAlive() then
        ApplyDamage({
            victim = target,
            attacker = caster,
            damage = tickDamage,
            damage_type = DAMAGE_TYPE_PHYSICAL,
            ability = ability
        })
        SendOverheadEventMessage(
            nil,
            OVERHEAD_ALERT_DAMAGE,
            target,
            tickDamage,
            nil
        )
    end
end
function modifier_zombie_virus_debuff.prototype.OnDestroy(self)
    if IsClient() then
        return
    end
    if self.particleId then
        ParticleManager:DestroyParticle(self.particleId, false)
        ParticleManager:ReleaseParticleIndex(self.particleId)
    end
end
function modifier_zombie_virus_debuff.prototype.GetEffectName(self)
    return "particles/econ/items/void_spirit/void_spirit_immortal_2021/void_spirit_immortal_2021_astral_step_debuff.vpcf"
end
function modifier_zombie_virus_debuff.prototype.GetTexture(self)
    return "life_stealer_open_wounds"
end
function modifier_zombie_virus_debuff.prototype.GetEffectAttachType(self)
    return PATTACH_ABSORIGIN_FOLLOW
end
modifier_zombie_virus_debuff = __TS__Decorate(
    modifier_zombie_virus_debuff,
    modifier_zombie_virus_debuff,
    {registerModifier(nil)},
    {kind = "class", name = "modifier_zombie_virus_debuff"}
)
____exports.modifier_zombie_virus_debuff = modifier_zombie_virus_debuff
return ____exports