local function calculate(base, levels, perk)

    if levels <= 0 then return base end

    local data = M9KPerks.Perks[perk]

    local percentPerLevel = data.percent / 100
    local totalPercent = 1 + (percentPerLevel * math.min(levels, data.totalLevels))

    local newValue = base * totalPercent

    return newValue

end

local function calculateZ(base, levels, perk)

    if levels <= 0 then return base end

    local data = M9KPerksZ.Perks[perk]

    local percentPerLevel = data.percent / 100
    local totalPercent = 1 + (percentPerLevel * math.min(levels, data.totalLevels))

    local newValue = base * totalPercent

    return newValue

end

hook.Add("ScalePlayerDamage", "m9kperks_damagebuff", function(ply, hitgroup, dmg)

    if dmg:IsDamageType(DMG_BULLET) and ply:Team() == M9KPerks.Teams.zombie and dmg:GetAttacker():Team() == M9KPerks.Teams.human then

        local json = M9KPerks.JSON
        local attacker = dmg:GetAttacker()

        local plyPerks = json.getPlayer(attacker:SteamID())

        if plyPerks.damage >= 1 then

            --print("pre damage", dmg:GetDamage())
            local calculate = calculate(dmg:GetDamage(), plyPerks.damage, "damage")
            dmg:SetDamage(calculate)
            --print("damage", calculate)

        end


    end

    -- zombies
    if ply:Team() == M9KPerks.Teams.human and dmg:GetAttacker():Team() == M9KPerks.Teams.zombie then

        local json = M9KPerks.JSON
        local attacker = dmg:GetAttacker()

        local plyPerks = json.getPlayerZ(attacker:SteamID())
        plyPerks.points = plyPerks.points + M9KPerksZ.PointsPerHit
        json.setPlayerZ(attacker:SteamID(), plyPerks)

        if plyPerks.damage >= 1 then

            --print("ZZpre damage", dmg:GetDamage())
            local calculate = calculateZ(dmg:GetDamage(), plyPerks.damage, "damage")
            dmg:SetDamage(calculate)
            --print("ZZdamage", calculate)

        end


    end

end)

hook.Add("WeaponEquip", "m9kperks_clipsizebuff", function(weapon, ply)

    if !weapon:GetClass():StartWith("m9k_") then return end
    if ply:Team() != M9KPerks.Teams.human then return end

    local json = M9KPerks.JSON
    if ply:Team() == M9KPerks.Teams.human then

        local perks = json.getPlayer(ply:SteamID())
        if perks.clipsize >= 1 then

            local default = weapons.Get(weapon:GetClass())
            local new = calculate(default.Primary.ClipSize, perks.clipsize, "clipsize")
            weapon.Primary.ClipSize = new
            weapon:SetClip1(new)
            --print("clipsize", default.Primary.ClipSize, new)

        end

        if perks.rpm >= 1 then

            local default = weapons.Get(weapon:GetClass())
            local new = calculate(default.Primary.RPM, perks.rpm, "rpm")
            weapon.Primary.RPM = new
            --print("rpm", default.Primary.RPM, new)

        end

    end

end)



-- zombie damage prop
hook.Add("EntityTakeDamage", "m9kperks_zombiehitprop", function(ent, dmg)
    if dmg:GetAttacker() then
        if dmg:GetAttacker():IsPlayer() then
            if dmg:GetAttacker():Team() then
                if dmg:GetAttacker():Team() == M9KPerks.Teams.zombie then
                    if ent.IsNailed then
                        if ent:IsNailed() then
                            local plyTable = getPlayerZ(dmg:GetAttacker():SteamID())
                            if plyTable then
                                plyTable.points = plyTable.points + M9KPerksZ.PointsPerHit
                                setPlayerZ(dmg:GetAttacker():SteamID(), plyTable)
                                return false
                            end
                        end
                    end
                end
            end
        end
    end
    return false
end)


/*
hook.Add("OnTakeDamage", "m9kperks_zombiehitprop", function(dmg)
    if dmg:GetAttacker() then
        if dmg:GetAttacker():IsPlayer() then
            if dmg:GetAttacker():Team() then
                if dmg:GetAttacker():Team() == M9KPerks.Teams.zombie then
                    if ent.IsNailed then
                        if ent:IsNailed() then
                            local plyTable = getPlayerZ(dmg:GetAttacker():SteamID())
                            if plyTable then
                                plyTable.points = plyTable.points + M9KPerksZ.PointsPerHit
                                setPlayerZ(dmg:GetAttacker():SteamID(), plyTable)
                            end
                        end
                    end
                end
            end
        end
    end
end)
*/