-- Turtle Startup Script
-- Automatically downloads and runs the latest turtle.lua from git

local SCRIPT_URL = "https://git.spatulaa.com/MayaTheShy/remoteturtle/raw/branch/master/turtle.lua"
local SCRIPT_NAME = "turtle.lua"

print("========================================")
print("  TURTLE AUTO-UPDATER")
print("========================================")
print("")

-- Remove old version
if fs.exists(SCRIPT_NAME) then
    print("Removing old version...")
    fs.delete(SCRIPT_NAME)
end

-- Download latest version
print("Downloading latest version...")
print("URL: " .. SCRIPT_URL)

local response = http.get(SCRIPT_URL)
if response then
    local content = response.readAll()
    response.close()
    
    -- Save to file
    local file = fs.open(SCRIPT_NAME, "w")
    file.write(content)
    file.close()
    
    print("✓ Download successful!")
    print("")
    print("Starting turtle program...")
    sleep(1)
    
    -- Run the script with error handling
    local success, error = pcall(function()
        shell.run(SCRIPT_NAME)
    end)
    
    if not success then
        print("")
        print("========================================")
        print("  ERROR OCCURRED!")
        print("========================================")
        print(error)
        print("")
        print("Press any key to see error details...")
        os.pullEvent("key")
    end
else
    print("✗ Download failed!")
    print("Please check:")
    print("  - Internet connection")
    print("  - URL is correct")
    print("  - HTTP API is enabled")
    print("")
    print("Falling back to existing script...")
    
    -- Try to run existing version if download fails
    if fs.exists(SCRIPT_NAME) then
        shell.run(SCRIPT_NAME)
    else
        print("No existing script found!")
        print("Please download manually:")
        print("  wget " .. SCRIPT_URL .. " " .. SCRIPT_NAME)
    end
end