#!/bin/bash

set -euo pipefail

SOURCE_DIR=$(cd "$(dirname "$0")" && pwd)
INSTALL_DIR="$HOME/Library/Application Support/PaperlessBackup"
CONFIG_DIR="$HOME/.config/paperless-backup"
PLIST="$HOME/Library/LaunchAgents/de.rob.paperless-ngx-backup.plist"
LOG_DIR="$HOME/Library/Logs"
UID_VALUE=$(id -u)

mkdir -p "$INSTALL_DIR" "$CONFIG_DIR" "$(dirname "$PLIST")" "$LOG_DIR"
install -m 700 "$SOURCE_DIR/backup-paperless-ngx.sh" "$INSTALL_DIR/backup-paperless-ngx.sh"

if [ ! -f "$CONFIG_DIR/config" ]; then
    install -m 600 "$SOURCE_DIR/config.example" "$CONFIG_DIR/config"
    echo "Konfiguration angelegt: $CONFIG_DIR/config"
else
    echo "Vorhandene Konfiguration bleibt unveraendert: $CONFIG_DIR/config"
fi

cat > "$PLIST" <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>Label</key>
    <string>de.rob.paperless-ngx-backup</string>
    <key>ProgramArguments</key>
    <array>
        <string>$INSTALL_DIR/backup-paperless-ngx.sh</string>
    </array>
    <key>StartCalendarInterval</key>
    <dict>
        <key>Hour</key>
        <integer>3</integer>
        <key>Minute</key>
        <integer>0</integer>
    </dict>
    <key>ProcessType</key>
    <string>Background</string>
    <key>StandardOutPath</key>
    <string>$LOG_DIR/paperless-ngx-launchd.out.log</string>
    <key>StandardErrorPath</key>
    <string>$LOG_DIR/paperless-ngx-launchd.err.log</string>
</dict>
</plist>
EOF

chmod 600 "$PLIST"
plutil -lint "$PLIST"
launchctl bootout "gui/$UID_VALUE" "$PLIST" >/dev/null 2>&1 || true
launchctl bootstrap "gui/$UID_VALUE" "$PLIST"

echo "LaunchAgent installiert: taeglich um 03:00 Uhr"
echo "Vor dem ersten echten Lauf bitte pruefen:"
echo "  $INSTALL_DIR/backup-paperless-ngx.sh --check"