--- @alias Device "mouse" | "key" | "pad"

--- @param device Device
--- @param key string
local function control(device, key)
    --- @type {type: Device, key: string}
    local t = { type = device, key = key }
    return t
end

local keymap = {
    cameraMoveUp = control("key", "w"),
    cameraMoveLeft = control("key", "a"),
    cameraMoveRight = control("key", "d"),
    cameraMoveDown = control("key", "s"),
    cameraMoveScroll = control("mouse", "3"),
    select = control("mouse", "1")
}

function keymap:isDown(key)
    if not keymap[key] then return false end
    local type = keymap[key].type
    local idx = keymap[key].key
    if type == "key" then
        return love.keyboard.isDown(idx)
    end

    if type == "mouse" then
        if not tonumber(idx) then return false end
        return love.mouse.isDown(tonumber(idx) --[[@as number]])
    end

    return false
end

return keymap