-- Web Bridge for Turtle System
-- This script forwards turtle status updates to the web server
-- Place this on a computer connected to the wireless network

local SERVER_URL = "https://turtles.spatulaa.com" -- Change to your server address
local CHANNEL_RECEIVE = 101
local STATUS_CHANNEL = 102

local modem = peripheral.find("modem")
if not modem then
    error("No wireless modem found!")
end

modem.open(CHANNEL_RECEIVE)
modem.open(STATUS_CHANNEL)

print("Web Bridge Started")
print("Listening for turtle updates...")
print("Server: " .. SERVER_URL)

-- Track turtles to forward updates
local turtles = {}

-- Function to send data to web server
local function sendToServer(data)
    local jsonData = textutils.serializeJSON(data)
    
    local response = http.post(
        SERVER_URL .. "/api/turtle/update",
        jsonData,
        {["Content-Type"] = "application/json"}
    )
    
    if response then
        response.close()
        return true
    else
        return false
    end
end

-- Function to poll for commands from server
local function pollCommands(turtleID)
    local response = http.get(SERVER_URL .. "/api/turtle/" .. turtleID .. "/commands")
    
    if response then
        local content = response.readAll()
        response.close()
        
        local data = textutils.unserializeJSON(content)
        if data and data.commands then
            return data.commands
        end
    end
    
    return {}
end

-- Main loop
while true do
    local event, side, channel, replyChannel, message, distance = os.pullEvent("modem_message")
    
    print("Received modem message on channel " .. channel)
    
    if type(message) == "table" then
        print("  Message type: " .. (message.type or "no type"))
        print("  Turtle ID: " .. tostring(message.turtleID))
    else
        print("  Message is not a table, it's: " .. type(message))
    end
    
    if channel == STATUS_CHANNEL and type(message) == "table" and message.type == "status" then
        -- Status update from turtle
        print("✓ Valid status from Turtle " .. (message.turtleID or "?"))
        
        -- Update local cache
        turtles[message.turtleID] = message
        
        -- Forward to web server
        local success = sendToServer(message)
        if success then
            print("  -> Sent to server")
            
            -- Check for commands from server
            local commands = pollCommands(message.turtleID)
            
            -- Forward commands back to turtle
            for _, cmd in ipairs(commands) do
                print("  -> Command for Turtle " .. message.turtleID .. ": " .. cmd.command)
                modem.transmit(100, 101, {
                    command = cmd.command,
                    param = cmd.param,
                    target = message.turtleID
                })
            end
        else
            print("  -> Failed to send to server")
        end
    end
    
    sleep(0.1) -- Small delay to prevent overwhelming the system
end