#!/bin/bash
# One-command deploy: pulls App.jsx (required) plus storage.js / server.js /
# server-package.json / frontend-package.json (all optional, only applied if
# present in the repo) straight from your Gitea repo, backs up whatever is
# being replaced, applies the new files, reinstalls deps, rebuilds the
# frontend, and restarts the service.
#
# Usage:
#   ./sync-from-gitea.sh
#
# If the Gitea repo is private, you'll get an auth error — in that case,
# generate a token in Gitea (Settings -> Applications -> Generate New Token,
# "read:repository" scope is enough) and run it like this instead:
#   GITEA_TOKEN=your_token_here ./sync-from-gitea.sh
set -e

GITEA_BASE="https://git.stickrouter.com/mike/client/raw/branch/main"
GITEA_TOKEN="${GITEA_TOKEN:-}"
APP_DIR=/opt/customer-crm
BACKUP_DIR=/opt/customer-crm-backups
TS=$(date +%Y%m%d_%H%M%S)

mkdir -p "$BACKUP_DIR"

CURL_AUTH=()
if [ -n "$GITEA_TOKEN" ]; then
  CURL_AUTH=(-H "Authorization: token $GITEA_TOKEN")
fi

# Downloads $1 (a filename in the repo) to $2 (a local tmp path).
# Returns 0 and leaves the file in place if found, returns 1 and removes
# any partial file if not (so a missing OPTIONAL file never aborts the
# whole script even though we're under `set -e`).
try_download() {
  if curl -fsSL "${CURL_AUTH[@]}" "$GITEA_BASE/$1" -o "$2" 2>/dev/null; then
    return 0
  else
    rm -f "$2"
    return 1
  fi
}

echo "=== [1/5] Downloading files from Gitea ==="
if ! try_download "App.jsx" /tmp/App.jsx.new; then
  echo "[ERROR] App.jsx not found in the repo (or download failed) — aborting."
  exit 1
fi
echo "  App.jsx: found"

HAVE_STORAGE=0;        try_download "storage.js"             /tmp/storage.js.new        && HAVE_STORAGE=1        && echo "  storage.js: found"             || echo "  storage.js: not in repo, skipping"
HAVE_SERVER=0;         try_download "server.js"              /tmp/server.js.new         && HAVE_SERVER=1         && echo "  server.js: found"              || echo "  server.js: not in repo, skipping"
HAVE_SERVER_PKG=0;     try_download "server-package.json"    /tmp/server-package.json.new     && HAVE_SERVER_PKG=1     && echo "  server-package.json: found"     || echo "  server-package.json: not in repo, skipping"
HAVE_FRONTEND_PKG=0;   try_download "frontend-package.json"  /tmp/frontend-package.json.new   && HAVE_FRONTEND_PKG=1   && echo "  frontend-package.json: found"   || echo "  frontend-package.json: not in repo, skipping"

echo ""
echo "=== [2/5] Backing up the files being replaced ==="
[ -f "$APP_DIR/frontend/src/App.jsx" ] && cp "$APP_DIR/frontend/src/App.jsx" "$BACKUP_DIR/App_$TS.jsx" && echo "  -> $BACKUP_DIR/App_$TS.jsx"
[ "$HAVE_STORAGE" = "1" ] && [ -f "$APP_DIR/frontend/src/storage.js" ] && cp "$APP_DIR/frontend/src/storage.js" "$BACKUP_DIR/storage_$TS.js" && echo "  -> $BACKUP_DIR/storage_$TS.js"
[ "$HAVE_SERVER" = "1" ] && [ -f "$APP_DIR/server/server.js" ] && cp "$APP_DIR/server/server.js" "$BACKUP_DIR/server_$TS.js" && echo "  -> $BACKUP_DIR/server_$TS.js"
[ "$HAVE_SERVER_PKG" = "1" ] && [ -f "$APP_DIR/server/package.json" ] && cp "$APP_DIR/server/package.json" "$BACKUP_DIR/server-package_$TS.json" && echo "  -> $BACKUP_DIR/server-package_$TS.json"
[ "$HAVE_FRONTEND_PKG" = "1" ] && [ -f "$APP_DIR/frontend/package.json" ] && cp "$APP_DIR/frontend/package.json" "$BACKUP_DIR/frontend-package_$TS.json" && echo "  -> $BACKUP_DIR/frontend-package_$TS.json"

echo ""
echo "=== [3/5] Applying the new files ==="
mv /tmp/App.jsx.new "$APP_DIR/frontend/src/App.jsx"
[ "$HAVE_STORAGE" = "1" ] && mv /tmp/storage.js.new "$APP_DIR/frontend/src/storage.js"
[ "$HAVE_SERVER" = "1" ] && mv /tmp/server.js.new "$APP_DIR/server/server.js"
[ "$HAVE_SERVER_PKG" = "1" ] && mv /tmp/server-package.json.new "$APP_DIR/server/package.json"
[ "$HAVE_FRONTEND_PKG" = "1" ] && mv /tmp/frontend-package.json.new "$APP_DIR/frontend/package.json"
echo "Done."

echo ""
echo "=== [4/5] Installing dependencies and building the frontend ==="
cd "$APP_DIR/server"
npm install --omit=dev
cd "$APP_DIR/frontend"
npm install
npm run build

echo ""
echo "=== [5/5] Restarting the service ==="
systemctl restart customer-crm
sleep 1
systemctl --no-pager -l status customer-crm | head -10

echo ""
echo "Done. Open your domain in a browser to check it."