#!/bin/sh

# RPCD backend for PeerTube LuCI app

. /usr/share/libubox/jshn.sh

PEERTUBECTL="/usr/sbin/peertubectl"

# Helper to get UCI value
uci_get() {
	local section="$1"
	local option="$2"
	local default="$3"
	local val
	val=$(uci -q get "peertube.${section}.${option}")
	echo "${val:-$default}"
}

# Get container status
get_container_status() {
	local state="not_installed"
	local running="false"
	local lxc_info=""

	if [ -d "/srv/lxc/peertube" ]; then
		state="installed"
		lxc_info=$(lxc-info -n peertube 2>/dev/null)
		if echo "$lxc_info" | grep -q "State:.*RUNNING"; then
			running="true"
		fi
	fi

	echo "$state $running"
}

# Method: status
method_status() {
	local enabled hostname port https live_enabled
	local container_state running
	local info

	enabled=$(uci_get main enabled 0)
	hostname=$(uci_get server hostname "peertube.local")
	port=$(uci_get server port "9000")
	https=$(uci_get server https "1")
	live_enabled=$(uci_get live enabled "0")

	info=$(get_container_status)
	container_state=$(echo "$info" | awk '{print $1}')
	running=$(echo "$info" | awk '{print $2}')

	json_init
	json_add_string "enabled" "$enabled"
	json_add_string "container_state" "$container_state"
	json_add_string "running" "$running"
	json_add_string "hostname" "$hostname"
	json_add_string "port" "$port"
	json_add_string "https" "$https"
	json_add_string "live_enabled" "$live_enabled"

	# Get configured domain if emancipated
	local domain haproxy
	domain=$(uci_get network domain "")
	haproxy=$(uci_get network haproxy "0")
	json_add_string "domain" "$domain"
	json_add_string "haproxy" "$haproxy"

	# Get admin email
	local admin_email
	admin_email=$(uci_get admin email "admin@localhost")
	json_add_string "admin_email" "$admin_email"

	json_dump
}

# Method: start
method_start() {
	local output
	output=$($PEERTUBECTL start 2>&1)
	local rc=$?

	json_init
	if [ $rc -eq 0 ]; then
		json_add_boolean "success" 1
		json_add_string "message" "PeerTube started successfully"
	else
		json_add_boolean "success" 0
		json_add_string "error" "$output"
	fi
	json_dump
}

# Method: stop
method_stop() {
	local output
	output=$($PEERTUBECTL stop 2>&1)
	local rc=$?

	json_init
	if [ $rc -eq 0 ]; then
		json_add_boolean "success" 1
		json_add_string "message" "PeerTube stopped successfully"
	else
		json_add_boolean "success" 0
		json_add_string "error" "$output"
	fi
	json_dump
}

# Method: install
method_install() {
	local output
	output=$($PEERTUBECTL install 2>&1)
	local rc=$?

	json_init
	if [ $rc -eq 0 ]; then
		json_add_boolean "success" 1
		json_add_string "message" "PeerTube installed successfully"
	else
		json_add_boolean "success" 0
		json_add_string "error" "$output"
	fi
	json_dump
}

# Method: uninstall
method_uninstall() {
	local output
	output=$($PEERTUBECTL uninstall 2>&1)
	local rc=$?

	json_init
	if [ $rc -eq 0 ]; then
		json_add_boolean "success" 1
		json_add_string "message" "PeerTube uninstalled successfully"
	else
		json_add_boolean "success" 0
		json_add_string "error" "$output"
	fi
	json_dump
}

# Method: update
method_update() {
	local output
	output=$($PEERTUBECTL update 2>&1)
	local rc=$?

	json_init
	if [ $rc -eq 0 ]; then
		json_add_boolean "success" 1
		json_add_string "message" "PeerTube updated successfully"
	else
		json_add_boolean "success" 0
		json_add_string "error" "$output"
	fi
	json_dump
}

# Method: logs
method_logs() {
	local lines="${1:-50}"
	local output

	if [ -d "/srv/lxc/peertube" ]; then
		output=$($PEERTUBECTL logs "$lines" 2>&1 | tail -n "$lines")
	else
		output="Container not installed"
	fi

	json_init
	json_add_string "logs" "$output"
	json_dump
}

# Method: emancipate
method_emancipate() {
	read -r input
	json_load "$input"
	json_get_var domain domain

	if [ -z "$domain" ]; then
		json_init
		json_add_boolean "success" 0
		json_add_string "error" "Domain is required"
		json_dump
		return
	fi

	local output
	output=$($PEERTUBECTL emancipate "$domain" 2>&1)
	local rc=$?

	json_init
	if [ $rc -eq 0 ]; then
		json_add_boolean "success" 1
		json_add_string "message" "PeerTube emancipated to $domain"
	else
		json_add_boolean "success" 0
		json_add_string "error" "$output"
	fi
	json_dump
}

# Method: live_enable
method_live_enable() {
	local output
	output=$($PEERTUBECTL live enable 2>&1)
	local rc=$?

	json_init
	if [ $rc -eq 0 ]; then
		json_add_boolean "success" 1
		json_add_string "message" "Live streaming enabled"
	else
		json_add_boolean "success" 0
		json_add_string "error" "$output"
	fi
	json_dump
}

# Method: live_disable
method_live_disable() {
	local output
	output=$($PEERTUBECTL live disable 2>&1)
	local rc=$?

	json_init
	if [ $rc -eq 0 ]; then
		json_add_boolean "success" 1
		json_add_string "message" "Live streaming disabled"
	else
		json_add_boolean "success" 0
		json_add_string "error" "$output"
	fi
	json_dump
}

# Method: configure_haproxy
method_configure_haproxy() {
	local output
	output=$($PEERTUBECTL configure-haproxy 2>&1)
	local rc=$?

	json_init
	if [ $rc -eq 0 ]; then
		json_add_boolean "success" 1
		json_add_string "message" "HAProxy configured for PeerTube"
	else
		json_add_boolean "success" 0
		json_add_string "error" "$output"
	fi
	json_dump
}

# List available methods
list_methods() {
	json_init
	json_add_object "status"
	json_close_object
	json_add_object "start"
	json_close_object
	json_add_object "stop"
	json_close_object
	json_add_object "install"
	json_close_object
	json_add_object "uninstall"
	json_close_object
	json_add_object "update"
	json_close_object
	json_add_object "logs"
	json_add_int "lines" 50
	json_close_object
	json_add_object "emancipate"
	json_add_string "domain" ""
	json_close_object
	json_add_object "live_enable"
	json_close_object
	json_add_object "live_disable"
	json_close_object
	json_add_object "configure_haproxy"
	json_close_object
	json_dump
}

# Main dispatcher
case "$1" in
	list)
		list_methods
		;;
	call)
		case "$2" in
			status)
				method_status
				;;
			start)
				method_start
				;;
			stop)
				method_stop
				;;
			install)
				method_install
				;;
			uninstall)
				method_uninstall
				;;
			update)
				method_update
				;;
			logs)
				read -r input
				json_load "$input"
				json_get_var lines lines
				method_logs "${lines:-50}"
				;;
			emancipate)
				method_emancipate
				;;
			live_enable)
				method_live_enable
				;;
			live_disable)
				method_live_disable
				;;
			configure_haproxy)
				method_configure_haproxy
				;;
			*)
				echo '{"error":"Method not found"}'
				;;
		esac
		;;
	*)
		echo '{"error":"Invalid action"}'
		;;
esac