local M = {}

local logger = require("libs.logger")
local tutil = require("libs.turtleutils")

local currentStatus = "idle"
local statusCallback = nil

function M.getStatus()
    return currentStatus
end

function M.setStatus(value)
    currentStatus = value
end

function M.setStatusCallback(fn)
    statusCallback = fn
end

local function reportStatusLoop()
    while true do
        local x, y, z, gpsActive = tutil.getPosition()
        local posText = gpsActive and
            string.format("GPS (%d,%d,%d)", x, y, z) or
            string.format("Manual (%d,%d,%d)", x, y, z)

        local message = currentStatus .. " @ " .. posText

        if statusCallback then
            statusCallback(message)
        else
            logger.log("Status: " .. message)
        end

        sleep(5)
    end
end

function M.run()
    -- So turtleutils can update the status
    tutil.setStatusCallback(M.setStatus)

    -- Fallback: also log to file
    M.setStatusCallback(function(status)
        logger.log("Status update: " .. status)
    end)

    -- Start position + status reporting
    local reporter = coroutine.create(reportStatusLoop)
    coroutine.resume(reporter)

    while true do
        currentStatus = "moving backward"
        logger.log("Started moving backward")
        for i = 1, 10 do
            tutil.back()
            sleep(0.5)
        end

        currentStatus = "moving forward"
        logger.log("Started moving forward")
        for i = 1, 10 do
            tutil.forward()
            sleep(0.5)
        end

        if coroutine.status(reporter) == "suspended" then
            coroutine.resume(reporter)
        end
    end
end

return M