#!/bin/sh
# WebRadio Controller - SecuBox Backend CLI
# Manages Icecast, Ezstream, DarkIce streaming services

set -e

CONF_DIR="/srv/webradio/config"
MUSIC_DIR="/srv/webradio/music"
JINGLE_DIR="/srv/webradio/jingles"
PLAYLIST_FILE="/tmp/webradio_playlist.m3u"
ICECAST_XML="$CONF_DIR/icecast.xml"
EZSTREAM_XML="$CONF_DIR/ezstream.xml"
DARKICE_CFG="$CONF_DIR/darkice.cfg"

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
CYAN='\033[0;36m'
NC='\033[0m'

log() { echo -e "${GREEN}[WebRadio]${NC} $1"; }
warn() { echo -e "${YELLOW}[WebRadio]${NC} $1"; }
error() { echo -e "${RED}[WebRadio]${NC} $1" >&2; }

uci_get() { uci -q get "webradio.$1" 2>/dev/null || echo "$2"; }

#--- Status ---
cmd_status() {
	echo -e "${CYAN}=== WebRadio Status ===${NC}"

	local enabled=$(uci_get main.enabled 0)
	local name=$(uci_get main.name "SecuBox Radio")
	local port=$(uci_get main.port 8000)

	echo "Station: $name"
	echo "Enabled: $([ "$enabled" = "1" ] && echo "Yes" || echo "No")"
	echo ""

	# Icecast status
	if pgrep -f "icecast" >/dev/null 2>&1; then
		echo -e "Icecast:  ${GREEN}Running${NC} (port $port)"
		# Get listener count
		local listeners=$(curl -s "http://127.0.0.1:$port/status-json.xsl" 2>/dev/null | jsonfilter -e '@.icestats.source.listeners' 2>/dev/null || echo "0")
		echo "Listeners: $listeners"
	else
		echo -e "Icecast:  ${RED}Stopped${NC}"
	fi

	# Ezstream status
	if pgrep -f "ezstream" >/dev/null 2>&1; then
		echo -e "Ezstream: ${GREEN}Running${NC} (playlist mode)"
	else
		echo -e "Ezstream: ${YELLOW}Stopped${NC}"
	fi

	# DarkIce status
	if pgrep -f "darkice" >/dev/null 2>&1; then
		echo -e "DarkIce:  ${GREEN}Running${NC} (live mode)"
	else
		echo -e "DarkIce:  ${YELLOW}Stopped${NC}"
	fi

	# Exposure status
	local domain=$(uci_get exposure.domain "")
	if [ -n "$domain" ]; then
		echo ""
		echo "Exposed at: https://$domain/"
	fi
}

#--- Generate Configs ---
cmd_genconfig() {
	log "Generating configuration files..."
	mkdir -p "$CONF_DIR"

	# Generate Icecast config
	generate_icecast_config

	# Generate Ezstream config
	generate_ezstream_config

	# Generate DarkIce config
	generate_darkice_config

	log "Configuration files generated in $CONF_DIR"
}

generate_icecast_config() {
	local name=$(uci_get main.name "SecuBox Radio")
	local port=$(uci_get main.port 8000)
	local max_listeners=$(uci_get main.max_listeners 100)
	local source_pass=$(uci_get main.source_password "hackme")
	local admin_pass=$(uci_get main.admin_password "admin123")
	local relay_pass=$(uci_get main.relay_password "relay123")

	cat > "$ICECAST_XML" <<EOF
<icecast>
    <location>SecuBox</location>
    <admin>admin@secubox.local</admin>
    <limits>
        <clients>$max_listeners</clients>
        <sources>5</sources>
        <queue-size>524288</queue-size>
        <client-timeout>30</client-timeout>
        <header-timeout>15</header-timeout>
        <source-timeout>10</source-timeout>
        <burst-on-connect>1</burst-on-connect>
        <burst-size>65535</burst-size>
    </limits>
    <authentication>
        <source-password>$source_pass</source-password>
        <relay-password>$relay_pass</relay-password>
        <admin-user>admin</admin-user>
        <admin-password>$admin_pass</admin-password>
    </authentication>
    <hostname>localhost</hostname>
    <listen-socket>
        <port>$port</port>
        <bind-address>0.0.0.0</bind-address>
    </listen-socket>
    <mount>
        <mount-name>/stream</mount-name>
        <fallback-mount>/silence.mp3</fallback-mount>
        <fallback-override>1</fallback-override>
        <stream-name>$name</stream-name>
        <stream-description>SecuBox Community Radio</stream-description>
        <genre>Various</genre>
        <public>0</public>
    </mount>
    <mount>
        <mount-name>/live</mount-name>
        <stream-name>$name - Live</stream-name>
        <public>0</public>
    </mount>
    <fileserve>1</fileserve>
    <paths>
        <basedir>/usr/share/icecast</basedir>
        <logdir>/var/log/webradio</logdir>
        <webroot>/usr/share/icecast/web</webroot>
        <adminroot>/usr/share/icecast/admin</adminroot>
        <pidfile>/var/run/icecast.pid</pidfile>
    </paths>
    <logging>
        <accesslog>access.log</accesslog>
        <errorlog>error.log</errorlog>
        <loglevel>3</loglevel>
    </logging>
    <security>
        <chroot>0</chroot>
        <changeowner>
            <user>icecast</user>
            <group>icecast</group>
        </changeowner>
    </security>
</icecast>
EOF
}

generate_ezstream_config() {
	local port=$(uci_get main.port 8000)
	local source_pass=$(uci_get main.source_password "hackme")
	local format=$(uci_get stream.format "mp3")
	local bitrate=$(uci_get stream.bitrate 128)
	local samplerate=$(uci_get stream.samplerate 44100)
	local channels=$(uci_get stream.channels 2)
	local shuffle=$(uci_get playlist.shuffle 1)

	cat > "$EZSTREAM_XML" <<EOF
<ezstream>
    <url>http://localhost:$port/stream</url>
    <sourcepassword>$source_pass</sourcepassword>
    <format>MP3</format>
    <filename>$PLAYLIST_FILE</filename>
    <playlist_program>0</playlist_program>
    <shuffle>$shuffle</shuffle>
    <stream_once>0</stream_once>
    <reconnect_attempts>-1</reconnect_attempts>
    <svrinfoname>SecuBox Radio</svrinfoname>
    <svrinfourl>https://secubox.in</svrinfourl>
    <svrinfogenre>Various</svrinfogenre>
    <svrinfodescription>SecuBox Community Radio</svrinfodescription>
    <svrinfobitrate>$bitrate</svrinfobitrate>
    <svrinfochannels>$channels</svrinfochannels>
    <svrinfosamplerate>$samplerate</svrinfosamplerate>
    <svrinfopublic>0</svrinfopublic>
</ezstream>
EOF
}

generate_darkice_config() {
	local port=$(uci_get main.port 8000)
	local source_pass=$(uci_get main.source_password "hackme")
	local device=$(uci_get live.device "default")
	local bitrate=$(uci_get live.bitrate 192)
	local samplerate=$(uci_get stream.samplerate 44100)
	local channels=$(uci_get stream.channels 2)

	cat > "$DARKICE_CFG" <<EOF
[general]
duration        = 0
bufferSecs      = 5
reconnect       = yes

[input]
device          = $device
sampleRate      = $samplerate
bitsPerSample   = 16
channel         = $channels

[icecast2-0]
bitrateMode     = cbr
format          = mp3
bitrate         = $bitrate
server          = localhost
port            = $port
password        = $source_pass
mountPoint      = live
name            = SecuBox Radio - Live
description     = Live broadcast
genre           = Live
public          = no
EOF
}

#--- Playlist Management ---
cmd_playlist() {
	case "$1" in
		generate)
			cmd_playlist_generate
			;;
		list)
			cmd_playlist_list
			;;
		add)
			shift
			cmd_playlist_add "$@"
			;;
		*)
			cmd_playlist_list
			;;
	esac
}

cmd_playlist_generate() {
	log "Generating playlist..."
	mkdir -p "$MUSIC_DIR"

	local shuffle=$(uci_get playlist.shuffle 1)
	local jingle_interval=$(uci_get playlist.jingle_interval 4)
	local jingle_dir=$(uci_get playlist.jingle_directory "$JINGLE_DIR")

	# Find all audio files
	find "$MUSIC_DIR" -type f \( -name "*.mp3" -o -name "*.ogg" -o -name "*.flac" \) > /tmp/music_files.txt

	# Shuffle if enabled (using awk for BusyBox compatibility)
	if [ "$shuffle" = "1" ]; then
		awk 'BEGIN{srand()} {print rand()"\t"$0}' /tmp/music_files.txt | sort -n | cut -f2- > /tmp/music_shuffled.txt
		mv /tmp/music_shuffled.txt /tmp/music_files.txt
	fi

	# Generate playlist with jingles
	rm -f "$PLAYLIST_FILE"
	local count=0
	while read -r file; do
		echo "$file" >> "$PLAYLIST_FILE"
		count=$((count + 1))

		# Insert jingle every N tracks
		if [ "$jingle_interval" -gt 0 ] && [ $((count % jingle_interval)) -eq 0 ]; then
			local jingle=$(find "$jingle_dir" -type f -name "*.mp3" 2>/dev/null | sort -R | head -1)
			[ -n "$jingle" ] && echo "$jingle" >> "$PLAYLIST_FILE"
		fi
	done < /tmp/music_files.txt

	rm -f /tmp/music_files.txt

	local total=$(wc -l < "$PLAYLIST_FILE" 2>/dev/null || echo 0)
	log "Playlist generated: $total tracks"
}

cmd_playlist_list() {
	echo -e "${CYAN}=== Playlist ===${NC}"
	if [ -f "$PLAYLIST_FILE" ]; then
		awk '{print NR": "$0}' "$PLAYLIST_FILE" | head -20
		local total=$(wc -l < "$PLAYLIST_FILE")
		echo "..."
		echo "Total: $total tracks"
	else
		warn "No playlist generated. Run: webradioctl playlist generate"
	fi
}

cmd_playlist_add() {
	local file="$1"
	if [ -f "$file" ]; then
		cp "$file" "$MUSIC_DIR/"
		log "Added: $(basename "$file")"
	else
		error "File not found: $file"
		return 1
	fi
}

#--- Stream Mode (FFmpeg) ---
cmd_stream() {
	case "$1" in
		start)
			cmd_stream_start
			;;
		stop)
			cmd_stream_stop
			;;
		*)
			cmd_stream_status
			;;
	esac
}

cmd_stream_start() {
	if pgrep -f "ffmpeg.*icecast" >/dev/null 2>&1; then
		warn "Stream already running"
		return 0
	fi

	# Ensure playlist exists
	if [ ! -f "$PLAYLIST_FILE" ] || [ ! -s "$PLAYLIST_FILE" ]; then
		cmd_playlist_generate
	fi

	if [ ! -s "$PLAYLIST_FILE" ]; then
		error "No music files found in $MUSIC_DIR"
		return 1
	fi

	local port=$(uci_get main.port 8000)
	local source_pass=$(uci_get main.source_password "hackme")
	local bitrate=$(uci_get stream.bitrate 128)
	local name=$(uci_get main.name "SecuBox Radio")

	log "Starting stream to icecast..."

	# Create a loop script for continuous streaming
	cat > /tmp/webradio_stream.sh << 'STREAMEOF'
#!/bin/sh
PLAYLIST="$1"
PORT="$2"
PASS="$3"
BITRATE="$4"
NAME="$5"

while true; do
	while read -r file; do
		[ -f "$file" ] || continue
		ffmpeg -re -i "$file" \
			-vn -acodec libmp3lame -ab ${BITRATE}k -ar 44100 -ac 2 \
			-content_type audio/mpeg \
			-f mp3 "icecast://source:${PASS}@127.0.0.1:${PORT}/stream" \
			2>/var/log/webradio/ffmpeg.log
	done < "$PLAYLIST"
	# Re-shuffle for next loop (BusyBox compatible)
	awk 'BEGIN{srand()} {print rand()"\t"$0}' "$PLAYLIST" | sort -n | cut -f2- > "${PLAYLIST}.tmp" && mv "${PLAYLIST}.tmp" "$PLAYLIST"
done
STREAMEOF
	chmod +x /tmp/webradio_stream.sh

	nohup /tmp/webradio_stream.sh "$PLAYLIST_FILE" "$port" "$source_pass" "$bitrate" "$name" \
		>/dev/null 2>&1 &

	sleep 3
	if pgrep -f "webradio_stream.sh" >/dev/null 2>&1 || pgrep -f "ffmpeg" >/dev/null 2>&1; then
		log "Stream started on http://127.0.0.1:$port/stream"
	else
		error "Failed to start stream - check /var/log/webradio/ffmpeg.log"
		return 1
	fi
}

cmd_stream_status() {
	local port=$(uci_get main.port 8000)
	if pgrep -f "webradio_stream.sh" >/dev/null 2>&1 || pgrep -f "ffmpeg" >/dev/null 2>&1; then
		echo -e "FFmpeg Stream: ${GREEN}Running${NC}"
		echo "URL: http://127.0.0.1:$port/stream"
		# Get current listener count
		local listeners=$(curl -s "http://127.0.0.1:$port/status-json.xsl" 2>/dev/null | jsonfilter -e '@.icestats.source.listeners' 2>/dev/null || echo "0")
		echo "Listeners: $listeners"
	else
		echo -e "FFmpeg Stream: ${YELLOW}Stopped${NC}"
	fi
}

cmd_stream_stop() {
	log "Stopping stream..."
	pkill -f "webradio_stream.sh" 2>/dev/null || true
	pkill -f "ffmpeg.*icecast" 2>/dev/null || true
	log "Stream stopped"
}

#--- Live Mode ---
cmd_live() {
	case "$1" in
		start)
			cmd_live_start
			;;
		stop)
			cmd_live_stop
			;;
		status)
			cmd_live_status
			;;
		devices)
			cmd_live_devices
			;;
		*)
			cmd_live_status
			;;
	esac
}

cmd_live_start() {
	if pgrep -f "darkice" >/dev/null 2>&1; then
		warn "DarkIce already running"
		return 0
	fi

	if [ ! -f "$DARKICE_CFG" ]; then
		cmd_genconfig
	fi

	log "Starting live broadcast..."
	darkice -c "$DARKICE_CFG" &
	sleep 1

	if pgrep -f "darkice" >/dev/null 2>&1; then
		log "Live broadcast started on /live"
	else
		error "Failed to start DarkIce"
		return 1
	fi
}

cmd_live_stop() {
	log "Stopping live broadcast..."
	pkill -f "darkice" 2>/dev/null || true
	log "Live broadcast stopped"
}

cmd_live_status() {
	if pgrep -f "darkice" >/dev/null 2>&1; then
		echo -e "DarkIce: ${GREEN}Running${NC}"
		local device=$(uci_get live.device "default")
		echo "Device: $device"
	else
		echo -e "DarkIce: ${YELLOW}Stopped${NC}"
	fi
}

cmd_live_devices() {
	echo -e "${CYAN}=== Audio Devices ===${NC}"
	if command -v arecord >/dev/null 2>&1; then
		arecord -l 2>/dev/null || echo "No capture devices found"
	else
		echo "alsa-utils not installed"
	fi
}

#--- Exposure (Punk Model) ---
cmd_expose() {
	local domain="$1"
	local channel="${2:-dns}"  # dns, tor, mesh, all

	if [ -z "$domain" ]; then
		error "Usage: webradioctl expose <domain> [dns|tor|mesh|all]"
		return 1
	fi

	local port=$(uci_get main.port 8000)

	log "Exposing WebRadio on $domain (channel: $channel)..."

	case "$channel" in
		dns|all)
			# Create HAProxy vhost
			if command -v haproxyctl >/dev/null 2>&1; then
				# Create backend
				haproxyctl backend add webradio_stream 127.0.0.1 "$port" 2>/dev/null || true
				# Create vhost
				haproxyctl vhost add "$domain" webradio_stream
				haproxyctl reload
				log "DNS exposure: https://$domain/"
			else
				error "haproxyctl not available"
			fi
			;;
	esac

	case "$channel" in
		tor|all)
			# Add Tor hidden service
			if command -v torctl >/dev/null 2>&1; then
				torctl hidden-service add webradio "$port"
				local onion=$(torctl hidden-service get webradio 2>/dev/null)
				[ -n "$onion" ] && log "Tor exposure: http://$onion/"
			else
				warn "torctl not available - skipping Tor"
			fi
			;;
	esac

	case "$channel" in
		mesh|all)
			# Publish to mesh
			if command -v vortexctl >/dev/null 2>&1; then
				vortexctl mesh publish webradio "$domain" "$port"
				log "Mesh exposure: Published to P2P network"
			else
				warn "vortexctl not available - skipping Mesh"
			fi
			;;
	esac

	# Save exposure config
	uci set webradio.exposure.domain="$domain"
	[ "$channel" = "tor" ] || [ "$channel" = "all" ] && uci set webradio.exposure.tor='1'
	[ "$channel" = "mesh" ] || [ "$channel" = "all" ] && uci set webradio.exposure.mesh='1'
	uci commit webradio

	log "Exposure complete!"
}

cmd_unexpose() {
	local domain=$(uci_get exposure.domain "")

	if [ -z "$domain" ]; then
		warn "No exposure configured"
		return 0
	fi

	log "Removing exposure for $domain..."

	# Remove HAProxy vhost
	if command -v haproxyctl >/dev/null 2>&1; then
		haproxyctl vhost del "$domain" 2>/dev/null || true
		haproxyctl reload
	fi

	# Remove Tor hidden service
	if command -v torctl >/dev/null 2>&1; then
		torctl hidden-service del webradio 2>/dev/null || true
	fi

	# Remove from mesh
	if command -v vortexctl >/dev/null 2>&1; then
		vortexctl mesh unpublish webradio 2>/dev/null || true
	fi

	# Clear config
	uci set webradio.exposure.domain=''
	uci set webradio.exposure.tor='0'
	uci set webradio.exposure.mesh='0'
	uci commit webradio

	log "Exposure removed"
}

#--- Service Control ---
cmd_start() {
	/etc/init.d/webradio start
}

cmd_stop() {
	/etc/init.d/webradio stop
}

cmd_restart() {
	/etc/init.d/webradio restart
}

cmd_enable() {
	uci set webradio.main.enabled='1'
	uci commit webradio
	/etc/init.d/webradio enable
	log "WebRadio enabled"
}

cmd_disable() {
	uci set webradio.main.enabled='0'
	uci commit webradio
	/etc/init.d/webradio disable
	log "WebRadio disabled"
}

#--- Skip Track ---
cmd_skip() {
	if pgrep -f "ezstream" >/dev/null 2>&1; then
		pkill -USR1 -f "ezstream"
		log "Skipped to next track"
	else
		warn "Ezstream not running"
	fi
}

#--- Help ---
cmd_help() {
	cat <<EOF
${CYAN}WebRadio Controller - SecuBox Backend CLI${NC}

Usage: webradioctl <command> [options]

${GREEN}Service Commands:${NC}
  status              Show service status
  start               Start WebRadio services
  stop                Stop WebRadio services
  restart             Restart services
  enable              Enable autostart
  disable             Disable autostart

${GREEN}Configuration:${NC}
  genconfig           Generate Icecast/Ezstream/DarkIce configs

${GREEN}Playlist:${NC}
  playlist            List current playlist
  playlist generate   Regenerate playlist from music directory
  playlist add <file> Add file to music directory

${GREEN}Streaming:${NC}
  stream              Show stream status
  stream start        Start FFmpeg stream to Icecast
  stream stop         Stop streaming
  skip                Skip to next track

${GREEN}Live Broadcast:${NC}
  live                Show live status
  live start          Start DarkIce live input
  live stop           Stop live broadcast
  live devices        List audio capture devices

${GREEN}Exposure (Punk Model):${NC}
  expose <domain> [channel]  Expose radio (dns|tor|mesh|all)
  unexpose                   Remove all exposure

${GREEN}Examples:${NC}
  webradioctl enable
  webradioctl playlist generate
  webradioctl stream start
  webradioctl expose radio.secubox.in dns
  webradioctl expose radio.secubox.in all

EOF
}

#--- Main ---
case "$1" in
	status)     cmd_status ;;
	start)      cmd_start ;;
	stop)       cmd_stop ;;
	restart)    cmd_restart ;;
	enable)     cmd_enable ;;
	disable)    cmd_disable ;;
	genconfig)  cmd_genconfig ;;
	playlist)   shift; cmd_playlist "$@" ;;
	stream)     shift; cmd_stream "$@" ;;
	skip)       cmd_skip ;;
	live)       shift; cmd_live "$@" ;;
	expose)     shift; cmd_expose "$@" ;;
	unexpose)   cmd_unexpose ;;
	help|--help|-h|"")
		cmd_help
		;;
	*)
		error "Unknown command: $1"
		cmd_help
		exit 1
		;;
esac