#!/bin/bash
# MSP360 Backup - Complete Linux Install & Configure
# Run as root from the directory containing this script and the .deb file.
#
# Credentials are fetched from private Gitea repo (myron/msp360-config).
# Requires /etc/msp360-gitea-token on the target machine.
# OR place a filled-in msp360.conf in the same directory as this script.
set -e

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
CONF="$SCRIPT_DIR/msp360.conf"
TOKEN_FILE="/etc/msp360-gitea-token"
GITEA_RAW="https://gitea.orbishosting.com/myron/msp360-config/raw/branch/main/msp360.conf"
CBB="/opt/local/MSP360 Backup/bin/cbbCommandLine"

if [ -f "$CONF" ]; then
    echo "Using local msp360.conf"
    source "$CONF"
elif [ -f "$TOKEN_FILE" ]; then
    echo "Fetching config from Gitea..."
    GITEA_TOKEN=$(cat "$TOKEN_FILE")
    curl -sf -H "Authorization: token $GITEA_TOKEN" "$GITEA_RAW" -o /tmp/msp360.conf
    source /tmp/msp360.conf
    rm -f /tmp/msp360.conf
else
    echo "ERROR: No msp360.conf found and no /etc/msp360-gitea-token present."
    echo "  Option A: Place a filled-in msp360.conf in $SCRIPT_DIR"
    echo "  Option B: Put your Gitea token in /etc/msp360-gitea-token (chmod 600)"
    exit 1
fi

BACKUP_PATH="${MOUNT_POINT}/${BACKUP_SUBDIR}"
CBB_DEB=$(ls "$SCRIPT_DIR"/ubuntu14_MSP360_*.deb 2>/dev/null | head -1)

echo "=== Step 1: Install MSP360 ==="
if [ -f "$CBB_DEB" ]; then
    dpkg -i "$CBB_DEB"
    sleep 5
else
    echo "WARNING: No .deb found — assuming already installed"
fi

echo "=== Step 2: Activate license ==="
"$CBB" activateLicense -e "$LICENSE_EMAIL" -free

echo "=== Step 3: Install cifs-utils ==="
apt-get install -y cifs-utils

echo "=== Step 4: Mount NAS ==="
mkdir -p "$MOUNT_POINT" /etc/nas-creds
printf "username=%s\npassword=%s\n" "$NAS_USER" "$NAS_PASS" > /etc/nas-creds/msp360
chmod 600 /etc/nas-creds/msp360

if ! mountpoint -q "$MOUNT_POINT"; then
    mount -t cifs "//${NAS_HOST}/${NAS_SHARE}" "$MOUNT_POINT" \
        -o credentials=/etc/nas-creds/msp360,uid=0,gid=0,noperm,_netdev
fi
df -h "$MOUNT_POINT"

echo "=== Step 5: Create backup directory ==="
mkdir -p "$BACKUP_PATH"

echo "=== Step 6: Add fstab entry ==="
FSTAB_LINE="//${NAS_HOST}/${NAS_SHARE} ${MOUNT_POINT} cifs credentials=/etc/nas-creds/msp360,uid=0,gid=0,noperm,_netdev 0 0"
grep -q "$MOUNT_POINT" /etc/fstab || echo "$FSTAB_LINE" >> /etc/fstab

echo "=== Step 7: Register storage account ==="
"$CBB" addAccount -st FileSystem -d "NAS-MSPBackups" -c "$BACKUP_PATH"

echo "=== Step 8: Create backup plan ==="
"$CBB" addBackupPlan \
    -n "$PLAN_NAME" \
    -a "NAS-MSPBackups" \
    -f "/" \
    -ef "/proc" -ef "/sys" -ef "/dev" -ef "/run" -ef "/tmp" -ef "/mnt" \
    -es no \
    -purge 1m -purgeBy backupDate -keepLastVersion yes \
    -runMissed yes \
    -en yes -every day -at "$INC_TIME" \
    -enFull yes -everyFull week -atFull "$FULL_TIME" -weekdayFull "su"

echo ""
echo "=== Done! Plan list: ==="
"$CBB" plan -l