local monitor = peripheral.find("monitor")
monitor.setTextScale(0.5)
monitor.clear()

local baseUrl = "http://localhost:8080/tiles/tile.png?dimension=minecraft:overworld&mapTypeString=day&y=0&zoom=0&t="
local refreshInterval = 10  -- Refresh map every 10 seconds
local outputPath = "/map.png"
local centerX, centerZ = 0, 0  -- Base chunk coordinates at the center
local radius = 4  -- 9x9 area (radius 4 around center)

-- Function to download the map image
local function fetchMap()
    print("Fetching map tiles from JourneyMap Web Map...")
    for ix = -radius, radius do
        for iz = -radius, radius do
            local tileUrl = baseUrl .. os.epoch("utc") .. "&x=" .. (centerX + ix) .. "&z=" .. (centerZ + iz)
            local response = http.get(tileUrl)

            if response then
                local file = fs.open(outputPath, "wb")
                file.write(response.readAll())
                file.close()
                print("Tile (" .. (centerX + ix) .. ", " .. (centerZ + iz) .. ") downloaded successfully.")
            else
                print("Failed to fetch tile at (" .. (centerX + ix) .. ", " .. (centerZ + iz) .. ").")
            end
        end
    end
end

-- Function to draw PNG directly on monitor using paintutils
local function drawPNG(path)
    if not fs.exists(path) then
        print("PNG file not found.")
        return
    end

    local file = fs.open(path, "rb")
    local data = file.readAll()
    file.close()

    local width, height = 64, 64  -- Assume 64x64 monitor resolution
    local x, y = 1, 1

    for i = 1, #data do
        local byte = string.byte(data, i)
        local colorIndex = byte % 16

        -- Draw each pixel directly on the monitor
        paintutils.drawPixel(x, y, colorIndex)

        x = x + 1
        if x > width then
            x = 1
            y = y + 1
            if y > height then break end
        end
    end
    print("Map drawn to monitor.")
end

-- Main loop to continuously update the map
while true do
    fetchMap()
    drawPNG(outputPath)
    sleep(refreshInterval)
end