#!/usr/bin/env bash
set -euo pipefail

DOMAIN="${DOMAIN:-politictalk.parallelglobe.io}"
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
JITSI_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
BACKUP_ROOT="${BACKUP_ROOT:-/root/jitsi-backups}"
STAMP="$(date +%Y%m%d-%H%M%S)"
BACKUP_DIR="$BACKUP_ROOT/$STAMP"

CONFIG_SRC="$JITSI_DIR/config/$DOMAIN-config.js"
ASSETS_SRC="$JITSI_DIR/assets/public/politictalk"
NGINX_SRC="$JITSI_DIR/nginx/$DOMAIN.conf"

CONFIG_DEST="/etc/jitsi/meet/$DOMAIN-config.js"
ASSETS_DEST="/etc/jitsi/meet/public/politictalk"
NGINX_DEST="/etc/nginx/sites-available/$DOMAIN.conf"

if [[ "$(id -u)" -ne 0 ]]; then
    echo "Run this script with sudo on the VPS."
    exit 1
fi

if [[ ! -f "$CONFIG_SRC" ]]; then
    echo "Missing config source: $CONFIG_SRC"
    exit 1
fi

if [[ ! -d "$ASSETS_SRC" ]]; then
    echo "Missing assets source: $ASSETS_SRC"
    exit 1
fi

install -d -m 0755 "$BACKUP_DIR"

if [[ -f "$CONFIG_DEST" ]]; then
    cp -a "$CONFIG_DEST" "$BACKUP_DIR/"
fi

if [[ -d "$ASSETS_DEST" ]]; then
    install -d -m 0755 "$BACKUP_DIR/public"
    cp -a "$ASSETS_DEST" "$BACKUP_DIR/public/"
fi

if [[ "${DEPLOY_NGINX:-0}" == "1" && -f "$NGINX_DEST" ]]; then
    cp -a "$NGINX_DEST" "$BACKUP_DIR/"
fi

install -d -m 0755 "$ASSETS_DEST"
install -m 0644 "$CONFIG_SRC" "$CONFIG_DEST"
find "$ASSETS_SRC" -maxdepth 1 -type f -print0 | while IFS= read -r -d '' file; do
    install -m 0644 "$file" "$ASSETS_DEST/"
done

if [[ "${DEPLOY_NGINX:-0}" == "1" ]]; then
    if [[ ! -f "$NGINX_SRC" ]]; then
        echo "Missing nginx source: $NGINX_SRC"
        exit 1
    fi
    install -m 0644 "$NGINX_SRC" "$NGINX_DEST"
    nginx -t
fi

systemctl reload nginx

echo "Deployed PoliticTalk Jitsi files."
echo "Backup: $BACKUP_DIR"