# Logging settings
settings.log.file.path := "/tmp/radio.log"
settings.log.stdout := true
settings.log.level := 2

# Enable Telnet server for admin controls (like skipping)
settings.server.telnet := true
settings.server.telnet.bind_addr := "0.0.0.0"
settings.server.telnet.port := 1234

# Fetch track dynamically from our Python API
def get_next() =
  # Liquidsoap http.get returns the body as a string directly
  response = http.get("http://127.0.0.1:8080/next")
  url = string.trim(response)
  
  if url == "" then
    print("WARNING: /next returned empty. Adding silence fallback.")
    request.create("annotate:duration=5.0:silence")
  else
    print("Next track queued: #{url}")
    request.create(url)
  end
end

# Define the source
radio = request.dynamic(id="navifm_queue", get_next)

# Register a manual telnet command to skip the track since request.dynamic doesn't expose one by default
server.register("navifm_queue.skip", fun(_) -> begin source.skip(radio); "Done" end)
# Notify backend precisely when a new track starts
def on_new_track(meta) =
  let title = meta["title"]
  let artist = meta["artist"]
  let url = "http://127.0.0.1:8080/api/internal/track_changed?title=#{url.encode(title)}&artist=#{url.encode(artist)}"
  ignore(http.get(url))
end
radio.on_track(on_new_track)

# Precise static amplification based on LUFS (overridden by liq_amplify metadata)
radio = amplify(1., radio)

# Smooth crossfade between tracks
radio = crossfade(smart=true, duration=4.0, fade_out=2.0, fade_in=2.0, radio)

# Ensure the stream doesn't crash if the source is unavailable (apply right before output)
radio = mksafe(radio)

# Retrieve icecast password from environment variable
icecast_pwd = environment.get(default="hackme", "ICECAST_PASSWORD")

# Output stream to Icecast
output.icecast(
  %mp3(bitrate=192),
  host="127.0.0.1",
  port=8000,
  password=icecast_pwd,
  mount="/stream",
  name="Navi.FM",
  description="Personal Smart Radio",
  genre="Various",
  radio
)