-- @include ../libs/constants.txt
require("../libs/constants.txt")

InputController = class("InputController")

function InputController:initialize()
    self.ply = NULL_ENTITY

    self.config = {} -- keys and pedal speed config

    if SERVER then
        self.throttle = {
            target = 0,
            value = 0
        }
        self.brake = {
            target = 0,
            value = 0
        }
        self.clutch = {
            target = 0,
            value = 0
        }
        self.start = {
            target = 0,
            value = 0,
            type = "keyPress"
        }

        net.receive("input", function()
            local inputName = net.readString()
            local target = net.readBool()

            if self[inputName] then
                self[inputName].target = target and (self.config[inputName] and self.config[inputName].max or 1) or 0
            end
        end)
    end

    if CLIENT then
        function setTargetInput(pressedKey, target)
            local key = string.upper(input.getKeyName(pressedKey))

            if self.keyToInputName[key] then
                net.start("input")
                net.writeString(self.keyToInputName[key].inputName)
                net.writeBool(target)
                net.send()
            end
        end

        hook.add("inputPressed", "inputPress", function(key)
            if (self.ply ~= NULL_ENTITY and self.ply == CURRENT_PLAYER) then
                setTargetInput(key, true)
            end
        end)

        hook.add("inputReleased", "inputRelease", function(key)
            if (self.ply ~= NULL_ENTITY and self.ply == CURRENT_PLAYER) then
                setTargetInput(key, false)
            end
        end)

        net.receive("changePlayer", function()
            self.ply = net.readEntity()
        end)
    end

end

if SERVER then
    function InputController:setPlayer(ply)
        self.ply = ply
        net.start("changePlayer")
        net.writeEntity(ply or NULL_ENTITY)
        net.send()
    end

    function InputController:update()
        for key in pairs(self.config) do
            if self[key] then
                local pressSpeed = self.config[key].press or 1
                local releaseSpeed = self.config[key].release or 1

                self[key].value = math.lerp(self[key].target == 1 and pressSpeed or releaseSpeed, self[key].value,
                                      self[key].target)
            end
        end
    end
end

function InputController:setConfig(config)
    self.config = table.copy(config)

    local keyToInputName = {}

    for key, value in pairs(config) do
        keyToInputName[string.upper(value.key)] = {
            inputName = key
        }
    end

    self.keyToInputName = table.copy(keyToInputName)
end