local LEFT_BUTTON = 1   -- GPIO 5
local RIGHT_BUTTON = 2  -- GPIO 4
local ROTATE_BUTTON = 6 -- GPIO 12
local DOWN_BUTTON = 7   -- GPIO 13

ws2812.init()

local ledMatrix = newLedMatrix(13, 13, true, true, false, true, true)
ledMatrix.ledBuffer:fill(0,0,0)
ledMatrix:show()

local tetris = newTetris(ledMatrix,60) -- Run tetris with 60FPS
tetris:start()


-- Enable GPIO interrupts and internal pullup resistors on our button inputs
gpio.mode(LEFT_BUTTON, gpio.INT, gpio.PULLUP)
gpio.mode(RIGHT_BUTTON, gpio.INT, gpio.PULLUP)
gpio.mode(DOWN_BUTTON, gpio.INT, gpio.PULLUP)
gpio.mode(ROTATE_BUTTON, gpio.INT, gpio.PULLUP)


-- Connect out buttons to the appropriate tetris actions
local lastAction = 0
local minTimeBetweenActions = 100000 -- This is to prevent buttons from accidental spamming. In microseconds (100000us=0.1s)

gpio.trig(LEFT_BUTTON, "down", function(level, when)
    if when-lastAction < minTimeBetweenActions then
        return
    end
    print("left") 
    tetris:action("left")
    lastAction = when
end)
gpio.trig(RIGHT_BUTTON, "down", function(level, when)
    if when-lastAction < minTimeBetweenActions then
        return
    end
    print("right")
    tetris:action("right")
    lastAction = when
end)
gpio.trig(DOWN_BUTTON, "down", function(level, when)
    print("down")
    tetris:action("down")
    lastAction = when
end)
gpio.trig(ROTATE_BUTTON, "down", function(level, when)
    if when-lastAction < minTimeBetweenActions then
        return
    end
    print("rotateRight")
    tetris:action("rotateRight")
    lastAction = when
end)