#!/bin/bash

echo "Setting up docker env..."
echo "MODE: $MODE"
echo "USE_NEW_DESIGN: $USE_NEW_DESIGN"
echo "SERVER_LIST_URL: $SERVER_LIST_URL"
echo "WEBPORT: $WEBPORT"
echo "REDACT_IP_ADDRESSES: $REDACT_IP_ADDRESSES"
echo "DB_TYPE: $DB_TYPE"
echo "ENABLE_ID_OBFUSCATION: $ENABLE_ID_OBFUSCATION"
echo "GDPR_EMAIL: $GDPR_EMAIL"

set -e
#set -x

is_alpine() {
  [ -f /etc/alpine-release ]
}

html_escape() {
  printf '%s' "$1" | sed \
    -e 's/&/\&/g' \
    -e 's/</\&lt;/g' \
    -e 's/>/\&gt;/g' \
    -e 's/"/\&quot;/g' \
    -e "s/'/\&#39;/g"
}

sed_escape() {
  printf '%s\n' "$1" | sed 's/[&/\\]/\\&/g; s/\$/\\$/g'
}

# Cleanup
rm -rf /var/www/html/*

# Copy frontend files
cp /speedtest/*.js /var/www/html/
cp /speedtest/stability.html /var/www/html/

# Copy design switch files
cp /speedtest/config.json /var/www/html/
cp /speedtest/design-switch.js /var/www/html/

# Copy favicon
cp /speedtest/favicon.ico /var/www/html/

# Set custom webroot on alpine
if is_alpine; then
  echo "ALPINE IMAGE"
  sed -i "s#\"/var/www/localhost/htdocs\"#\"/var/www/html\"#g" /etc/apache2/httpd.conf
else
  echo "DEBIAN IMAGE"
fi


# Copy servers.json for stability page (frontend/dual modes)
if [[ "$MODE" == "frontend" || "$MODE" == "dual" ]]; then
  cp /servers.json /var/www/html/servers.json
fi

# Set up backend side for standlone modes
if [[ "$MODE" == "standalone" || "$MODE" == "dual" ]]; then
  cp -r /speedtest/backend/ /var/www/html/backend
  if [ ! -z "$IPINFO_APIKEY" ]; then
    sed -i s/\$IPINFO_APIKEY\ =\ \'\'/\$IPINFO_APIKEY\ =\ \'$IPINFO_APIKEY\'/g /var/www/html/backend/getIP_ipInfo_apikey.php
  fi
fi

if [ "$MODE" == "backend" ]; then
  cp -r /speedtest/backend/* /var/www/html
  if [ ! -z "$IPINFO_APIKEY" ]; then
    sed -i s/\$IPINFO_APIKEY\ =\ \'\'/\$IPINFO_APIKEY\ =\ \'$IPINFO_APIKEY\'/g /var/www/html/getIP_ipInfo_apikey.php
  fi
fi

# Set up index.php for frontend-only or standalone modes
if [[ "$MODE" == "frontend" || "$MODE" == "dual" ||  "$MODE" == "standalone" ]]; then
  # Copy design files (switcher + both designs)
  cp /speedtest/index.html /var/www/html/
  cp /speedtest/index-classic.html /var/www/html/
  cp /speedtest/index-modern.html /var/www/html/
  cp /speedtest/stability.html /var/www/html/
  # Copy frontend assets directly to root-level subdirectories (no frontend/ parent dir)
  mkdir -p /var/www/html/styling /var/www/html/javascript /var/www/html/images /var/www/html/fonts
  cp -a /speedtest/frontend/styling/* /var/www/html/styling/
  cp -a /speedtest/frontend/javascript/* /var/www/html/javascript/
  cp -a /speedtest/frontend/images/* /var/www/html/images/
  cp -a /speedtest/frontend/fonts/* /var/www/html/fonts/ 2>/dev/null || true

  # Copy frontend config files
  cp /speedtest/frontend/settings.json /var/www/html/settings.json 2>/dev/null || true
  if [ -f /servers.json ]; then
    echo "using mounted /servers.json for server-list.json"
    cp /servers.json /var/www/html/server-list.json
  else
    echo "no /servers.json found, create one for local host"
    # generate config for just the local server
    echo '[{"name":"local","server":"/backend",  "dlURL": "garbage.php", "ulURL": "empty.php", "pingURL": "empty.php", "getIpURL": "getIP.php", "sponsorName": "", "sponsorURL": "", "id":1 }]' > /var/www/html/server-list.json
  fi
  if [ ! -z "$SERVER_LIST_URL" ]; then
    echo "using SERVER_LIST_URL for frontend server list"
    SERVER_LIST_URL_ESCAPED=$(printf '%s\n' "$SERVER_LIST_URL" | sed 's/[&/\\]/\\&/g; s/\$/\\$/g')
    sed -i "s/var SPEEDTEST_SERVERS = \"server-list.json\";/var SPEEDTEST_SERVERS = \"$SERVER_LIST_URL_ESCAPED\";/" /var/www/html/index-modern.html
    sed -i "s/var SPEEDTEST_SERVERS = \\[/var SPEEDTEST_SERVERS = \"$SERVER_LIST_URL_ESCAPED\";\\n\\t\\t\\/\\*/" /var/www/html/index-classic.html
    sed -i "s/var SPEEDTEST_SERVERS = \"server-list.json\";/var SPEEDTEST_SERVERS = \"$SERVER_LIST_URL_ESCAPED\";/" /var/www/html/stability.html
  fi

  # The stability page reads the same local server list as the main UI when present.
  if [ -f /var/www/html/server-list.json ]; then
    cp /var/www/html/server-list.json /var/www/html/servers.json
  fi

  # Replace title placeholders if TITLE is set
  if [ ! -z "$TITLE" ]; then
    TITLE_ONE_LINE=${TITLE//$'\r'/}
    TITLE_ONE_LINE=${TITLE_ONE_LINE//$'\n'/ }
    TITLE_HTML_ESCAPED=$(html_escape "$TITLE_ONE_LINE")
    TITLE_ESCAPED=$(sed_escape "$TITLE_HTML_ESCAPED")
    sed -i "s/<title>LibreSpeed<\\/title>/<title>$TITLE_ESCAPED<\\/title>/g; s/<h1>LibreSpeed<\\/h1>/<h1>$TITLE_ESCAPED<\\/h1>/g" /var/www/html/index-classic.html
    sed -i "s/<title>LibreSpeed<\\/title>/<title>$TITLE_ESCAPED<\\/title>/g" /var/www/html/index.html
    sed -i "s/<title>LibreSpeed - Free and Open Source Speedtest<\\/title>/<title>$TITLE_ESCAPED - Free and Open Source Speedtest<\\/title>/g; s/<h1>Free and Open Source Speedtest\\.<\\/h1>/<h1>$TITLE_ESCAPED<\\/h1>/g" /var/www/html/index-modern.html
  fi

  # Replace modern page tagline if TAGLINE is set
  if [ -n "$TAGLINE" ]; then
    TAGLINE_ONE_LINE=${TAGLINE//$'\r'/}
    TAGLINE_ONE_LINE=${TAGLINE_ONE_LINE//$'\n'/ }
    TAGLINE_HTML_ESCAPED=$(html_escape "$TAGLINE_ONE_LINE")
    TAGLINE_ESCAPED=$(sed_escape "$TAGLINE_HTML_ESCAPED")
    sed -i "s/<p class=\"tagline\">No Flash, No Java, No Websockets, No Bullsh\\*t<\\/p>/<p class=\"tagline\">$TAGLINE_ESCAPED<\\/p>/g" /var/www/html/index-modern.html
  fi

  # Support legacy EMAIL env var as fallback for GDPR_EMAIL
  if [ -z "$GDPR_EMAIL" ] && [ ! -z "$EMAIL" ]; then
    echo "WARNING: EMAIL env var is deprecated, please use GDPR_EMAIL instead" >&2
    GDPR_EMAIL="$EMAIL"
    echo "GDPR_EMAIL: $GDPR_EMAIL"
  fi

  # Replace GDPR email placeholder if GDPR_EMAIL is set
  if [ ! -z "$GDPR_EMAIL" ]; then
    # Escape special sed characters: & (replacement), / (delimiter), \ (escape), $ (variable)
    GDPR_EMAIL_ESCAPED=$(printf '%s\n' "$GDPR_EMAIL" | sed 's/[&/\\]/\\&/g; s/\$/\\$/g')

    for html_file in /var/www/html/index-modern.html /var/www/html/index-classic.html; do
      if [ -f "$html_file" ]; then
        sed -i "s/TO BE FILLED BY DEVELOPER/$GDPR_EMAIL_ESCAPED/g; s/PUT@YOUR_EMAIL.HERE/$GDPR_EMAIL_ESCAPED/g" "$html_file"
      fi
    done
  fi
fi
# Configure design preference via config.json
if [ "$USE_NEW_DESIGN" == "true" ]; then
  sed -i 's/"useNewDesign": false/"useNewDesign": true/' /var/www/html/config.json
fi

# Apply Telemetry settings when running in standalone or frontend mode and telemetry is enabled
if [[ "$TELEMETRY" == "true" && ("$MODE" == "frontend" || "$MODE" == "standalone" || "$MODE" == "dual") ]]; then
  cp -r /speedtest/results /var/www/html/results
  sed -i 's/telemetry_level": ".*"/telemetry_level": "basic"/' /var/www/html/settings.json

  if [ "$MODE" == "frontend" ]; then
    mkdir /var/www/html/backend
    cp /speedtest/backend/getIP_util.php /var/www/html/backend
  fi

  if [ "$DB_TYPE" == "mysql" ]; then
    sed -i 's/$db_type = '\''.*'\''/$db_type = '\'$DB_TYPE\''/g' /var/www/html/results/telemetry_settings.php
    sed -i 's/$MySql_username = '\''.*'\''/$MySql_username = '\'$DB_USERNAME\''/g' /var/www/html/results/telemetry_settings.php
    sed -i 's/$MySql_password = '\''.*'\''/$MySql_password = '\'$DB_PASSWORD\''/g' /var/www/html/results/telemetry_settings.php
    sed -i 's/$MySql_hostname = '\''.*'\''/$MySql_hostname = '\'$DB_HOSTNAME\''/g' /var/www/html/results/telemetry_settings.php
    sed -i 's/$MySql_databasename = '\''.*'\''/$MySql_databasename = '\'$DB_NAME\''/g' /var/www/html/results/telemetry_settings.php
    if [ "$DB_PORT" != "" ]; then
      sed -i 's/$MySql_port = '\''.*'\''/$MySql_port = '\'$DB_PORT\''/g' /var/www/html/results/telemetry_settings.php
    fi
  elif [ "$DB_TYPE" == "postgresql" ]; then
    sed -i 's/$db_type = '\''.*'\''/$db_type = '\'$DB_TYPE\''/g' /var/www/html/results/telemetry_settings.php
    sed -i 's/$PostgreSql_username = '\''.*'\''/$PostgreSql_username = '\'$DB_USERNAME\''/g' /var/www/html/results/telemetry_settings.php
    sed -i 's/$PostgreSql_password = '\''.*'\''/$PostgreSql_password = '\'$DB_PASSWORD\''/g' /var/www/html/results/telemetry_settings.php
    sed -i 's/$PostgreSql_hostname = '\''.*'\''/$PostgreSql_hostname = '\'$DB_HOSTNAME\''/g' /var/www/html/results/telemetry_settings.php
    sed -i 's/$PostgreSql_databasename = '\''.*'\''/$PostgreSql_databasename = '\'$DB_NAME\''/g' /var/www/html/results/telemetry_settings.php
  else
    sed -i s/\$db_type\ =\ \'.*\'/\$db_type\ =\ \'sqlite\'\/g /var/www/html/results/telemetry_settings.php
  fi

  # Override SQLite database path for Docker environment
  # In Docker, we use /database/db.sql which is outside the web-accessible directory
  sed -i s/\$Sqlite_db_file\ =\ .*\'/\$Sqlite_db_file=\'\\\/database\\\/db.sql\'/g /var/www/html/results/telemetry_settings.php
  sed -i s/\$stats_password\ =\ \'.*\'/\$stats_password\ =\ \'$PASSWORD\'/g /var/www/html/results/telemetry_settings.php

  if [ "$ENABLE_ID_OBFUSCATION" == "true" ]; then
    sed -i s/\$enable_id_obfuscation\ =\ .*\;/\$enable_id_obfuscation\ =\ true\;/g /var/www/html/results/telemetry_settings.php
    if [ ! -z "$OBFUSCATION_SALT" ]; then
      if [[ "$OBFUSCATION_SALT" =~ ^0x[0-9a-fA-F]+$ ]]; then
        echo "<?php" > /var/www/html/results/idObfuscation_salt.php
        echo "\$OBFUSCATION_SALT = $OBFUSCATION_SALT;" >> /var/www/html/results/idObfuscation_salt.php
      else
        echo "WARNING: Invalid OBFUSCATION_SALT format. It must be a hex string (e.g., 0x1234abcd). Using random salt." >&2
      fi
    fi
  fi

  if [ "$REDACT_IP_ADDRESSES" == "true" ]; then
    sed -i s/\$redact_ip_addresses\ =\ .*\;/\$redact_ip_addresses\ =\ true\;/g /var/www/html/results/telemetry_settings.php
  fi

  mkdir -p /database/
  if is_alpine; then
    chown -R apache /database/
  else
    chown -R www-data /database/
  fi
fi

if is_alpine; then
  chown -R apache /var/www/html/*
else
  chown -R www-data /var/www/html/*
fi

# Allow selection of Apache port for network_mode: host
if [ "$WEBPORT" != "80" ]; then
  if is_alpine; then
    sed -i "s/^Listen 80\$/Listen $WEBPORT/g" /etc/apache2/httpd.conf
  else
    sed -i "s/^Listen 80\$/Listen $WEBPORT/g" /etc/apache2/ports.conf
    sed -i "s/*:80>/*:$WEBPORT>/g" /etc/apache2/sites-available/000-default.conf
  fi
fi

echo "Done, Starting APACHE"

# This runs apache
if is_alpine; then
  exec httpd -DFOREGROUND
else
  exec apache2-foreground
fi