#!/bin/bash
# ═══════════════════════════════════════════════════════════════════
#  Network-MGMT — Deploy-Skript
#
#  Ausführen auf deinem lokalen Rechner:  bash deploy.sh
#  Der Zielserver klont die App direkt von Gitea.
#
#  Voraussetzung: SSH-Zugang zum Zielserver
# ═══════════════════════════════════════════════════════════════════

set -euo pipefail
G='\033[0;32m'; Y='\033[1;33m'; B='\033[0;34m'; BOLD='\033[1m'; NC='\033[0m'

echo ""
echo -e "${B}${BOLD}╔═══════════════════════════════════════════╗${NC}"
echo -e "${B}${BOLD}║   Network-MGMT  —  Deployment             ║${NC}"
echo -e "${B}${BOLD}╚═══════════════════════════════════════════╝${NC}"
echo ""

# ── Eingaben ───────────────────────────────────────────────────────
echo -e "${BOLD}Kunden-Server (Ziel)${NC}"
read -rp "  IP-Adresse / Hostname      : " SERVER_HOST
read -rp "  SSH-Benutzer       [root]  : " SERVER_USER; SERVER_USER="${SERVER_USER:-root}"
read -rp "  SSH-Port            [22]   : " SERVER_PORT; SERVER_PORT="${SERVER_PORT:-22}"

echo ""
echo -e "${BOLD}Gitea${NC}"
read -rp "  Gitea-URL (dein Server)    : " GITEA_URL; GITEA_URL="${GITEA_URL:-https://git.mms-systemservice.de}"
read -rp "  Gitea-Benutzer             : " GITEA_USER; GITEA_USER="${GITEA_USER:-gitea-mms}"
read -rsp "  Gitea-Passwort             : " GITEA_PASS; echo

echo ""
echo -e "${BOLD}App-Einstellungen${NC}"
read -rp "  App-Port           [8080]  : " APP_PORT; APP_PORT="${APP_PORT:-8080}"
APP_URL="http://${SERVER_HOST}:${APP_PORT}"
echo -e "  → Erreichbar unter: ${G}${APP_URL}${NC}"

echo ""
echo -e "${BOLD}Datenbank${NC}"
read -rsp "  DB-Passwort                : " DB_PASSWORD; echo
DB_ROOT_PASSWORD="${DB_PASSWORD}ROOT"

# ── Bestätigung ────────────────────────────────────────────────────
echo ""
echo -e "${Y}────────────────────────────────────────────────${NC}"
echo    "  Ziel:    ${SERVER_USER}@${SERVER_HOST}:${SERVER_PORT}"
echo    "  Quelle:  ${GITEA_URL}/${GITEA_USER}/Network-MGMT"
echo    "  App-URL: ${APP_URL}"
echo -e "${Y}────────────────────────────────────────────────${NC}"
echo ""
read -rp "Deployment starten? [j/N]  " CONFIRM
[[ "${CONFIRM,,}" == "j" ]] || { echo "Abgebrochen."; exit 0; }

# ── Setup-Skript mit eingebetteten Werten erzeugen ─────────────────
REMOTE_SCRIPT="/tmp/nm_deploy_$$.sh"
{
printf '#!/bin/bash\nset -euo pipefail\n\n'
printf 'G='"'"'\033[0;32m'"'"'; Y='"'"'\033[1;33m'"'"'; BOLD='"'"'\033[1m'"'"'; NC='"'"'\033[0m'"'"'\n\n'
printf 'GITEA_URL=%q\n'          "$GITEA_URL"
printf 'GITEA_USER=%q\n'         "$GITEA_USER"
printf 'GITEA_PASS=%q\n'         "$GITEA_PASS"
printf 'APP_URL=%q\n'            "$APP_URL"
printf 'APP_PORT=%q\n'           "$APP_PORT"
printf 'DB_PASSWORD=%q\n'        "$DB_PASSWORD"
printf 'DB_ROOT_PASSWORD=%q\n'   "$DB_ROOT_PASSWORD"
printf 'GITEA_FULL_URL=%q\n'     "${GITEA_URL}"
cat << 'SETUP'

DEPLOY_PATH="/opt/network-mgmt"
REPO_URL="${GITEA_URL/https:\/\//https://${GITEA_USER}:${GITEA_PASS}@}"
REPO_URL="${REPO_URL}/gitea-mms/Network-MGMT.git"
# Credentials in URL einbauen
CLONE_URL=$(echo "$GITEA_URL" | sed "s|https://|https://${GITEA_USER}:${GITEA_PASS}@|")
CLONE_URL="${CLONE_URL}/${GITEA_USER}/Network-MGMT.git"

echo ""
echo -e "${Y}[1/4] Docker prüfen / installieren ...${NC}"
if ! command -v docker &>/dev/null; then
    curl -fsSL https://get.docker.com | sh
    systemctl enable --now docker
fi
echo -e "${G}    ✓ Docker: $(docker --version | awk '{print $3}' | tr -d ',')${NC}"

if ! docker compose version &>/dev/null 2>&1; then
    ARCH="$(uname -m)"
    mkdir -p "${HOME}/.docker/cli-plugins"
    curl -fsSL \
      "https://github.com/docker/compose/releases/latest/download/docker-compose-linux-${ARCH}" \
      -o "${HOME}/.docker/cli-plugins/docker-compose"
    chmod +x "${HOME}/.docker/cli-plugins/docker-compose"
fi
echo -e "${G}    ✓ Docker Compose: $(docker compose version --short 2>/dev/null)${NC}"

echo ""
echo -e "${Y}[2/4] Repository von Gitea klonen / aktualisieren ...${NC}"
if [ -d "${DEPLOY_PATH}/.git" ]; then
    cd "$DEPLOY_PATH"
    git pull
    echo -e "${G}    ✓ Repository aktualisiert${NC}"
else
    git clone "$CLONE_URL" "$DEPLOY_PATH"
    echo -e "${G}    ✓ Repository geklont${NC}"
fi

echo ""
echo -e "${Y}[3/4] Konfiguration ...${NC}"
cd "$DEPLOY_PATH"

mkdir -p storage/logs storage/framework/{cache,sessions,views} bootstrap/cache
chmod -R 775 storage bootstrap/cache

if [ ! -f ".env" ]; then
    cp .env.example .env
    sed -i "s|APP_URL=.*|APP_URL=${APP_URL}|"                                    .env
    sed -i "s|APP_PORT=.*|APP_PORT=${APP_PORT}|"                                  .env
    sed -i "s|DB_PASSWORD=secret|DB_PASSWORD=${DB_PASSWORD}|"                     .env
    sed -i "s|DB_ROOT_PASSWORD=rootsecret|DB_ROOT_PASSWORD=${DB_ROOT_PASSWORD}|"  .env
    sed -i "s|GITEA_URL=.*|GITEA_URL=${GITEA_FULL_URL}|"                         .env
    sed -i "s|GITEA_REPO=.*|GITEA_REPO=${GITEA_USER}/Network-MGMT|"              .env
    echo -e "${G}    ✓ .env erstellt${NC}"
else
    echo -e "${G}    ✓ .env bereits vorhanden (nicht überschrieben)${NC}"
fi

echo ""
echo -e "${Y}[4/4] Container bauen und starten ...${NC}"
echo    "      (Erster Start: 3–5 Minuten)"
docker compose up -d --build

echo "      Warte auf Start ..."
sleep 8
for i in $(seq 1 20); do
    docker compose ps | grep -qE "healthy|Up" && break || sleep 5
done

echo ""
docker compose ps
echo ""
echo -e "${G}${BOLD}╔══════════════════════════════════════════════════╗${NC}"
echo -e "${G}${BOLD}║  ✓  Network-MGMT erfolgreich installiert!        ║${NC}"
echo -e "${G}${BOLD}║                                                  ║${NC}"
printf  "${G}${BOLD}║  Browser: %-40s║${NC}\n" "${APP_URL}"
printf  "${G}${BOLD}║  Pfad:    %-40s║${NC}\n" "${DEPLOY_PATH}"
echo -e "${G}${BOLD}║                                                  ║${NC}"
echo -e "${G}${BOLD}║  Logs:  docker compose logs -f                   ║${NC}"
echo -e "${G}${BOLD}║  Stop:  docker compose down                      ║${NC}"
echo -e "${G}${BOLD}╚══════════════════════════════════════════════════╝${NC}"
echo ""
SETUP
} > "$REMOTE_SCRIPT"
chmod +x "$REMOTE_SCRIPT"

# ── Script auf Server übertragen und ausführen ─────────────────────
echo ""
echo -e "${Y}▶ Verbinde mit ${SERVER_USER}@${SERVER_HOST} ...${NC}"
scp -q -P "$SERVER_PORT" "$REMOTE_SCRIPT" "${SERVER_USER}@${SERVER_HOST}:/tmp/nm_deploy.sh"
rm -f "$REMOTE_SCRIPT"

echo -e "${Y}▶ Setup läuft (Ausgabe vom Server):${NC}"
echo -e "${Y}────────────────────────────────────────────────${NC}"
ssh -p "$SERVER_PORT" "${SERVER_USER}@${SERVER_HOST}" \
    "bash /tmp/nm_deploy.sh; rm -f /tmp/nm_deploy.sh"
echo -e "${Y}────────────────────────────────────────────────${NC}"

echo ""
echo -e "${G}${BOLD}✓ Fertig! → ${APP_URL}${NC}"
echo ""