local world = require("world")

---@type KeyState
local keyState = {}

local keyInputSystem = world:filteredSystem("keyInput", { canReceiveKeys = T.marker }, function(e, _, system)
    e.keyState = keyState
    system.world:addEntity(e)
end)

function keyInputSystem:preProcess()
    if #self.entities == 0 then
        return
    end
end

function love.keypressed(key, _, _)
    keyState[key] = true
end

function ClearKeyState()
    for key in pairs(keyState) do
        keyState[key] = nil
    end
end

local mouse = world:filteredSystem("mouse", { mouseKeyPress = { position = T.XyPair, key = T.number } })

function MouseJustPressed(key, clear)
    clear = clear ~= nil and clear or true
    for _, event in pairs(mouse.entities) do
        if event.mouseKeyPress and event.mouseKeyPress.key == key then
            if clear then
                event.mouseKeyPress = nil
                world:removeEntity(event)
            end
            return true
        end
    end
    return false
end

local mouseX, mouseY = -9999, -9999

function love.mousemoved(x, y)
    mouseX, mouseY = x, y
end

function love.mousepressed(x, y, key)
    world:addEntity({
        mouseKeyPress = {
            position = {
                x = x,
                y = y,
            },
            key = key,
        },
        liveForNFrames = 1,
    })
end