#!/bin/bash
# ============================================================
#  ObsiGate Desktop — Build Linux (.deb + .AppImage)
#  Prérequis : Rust, Tauri CLI, libwebkit2gtk, Python 3.11
# ============================================================
set -e

echo "========================================"
echo "  ObsiGate Desktop — Build Linux"
echo "========================================"
echo ""

# ── 1. Vérifier les prérequis ─────────────────────────────────
echo "[1/5] Verifying prerequisites..."
command -v cargo >/dev/null 2>&1 || { echo "❌ Rust/Cargo not found. Install: curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh"; exit 1; }
command -v tauri >/dev/null 2>&1 || cargo install tauri-cli

# Check system deps
if command -v apt-get >/dev/null 2>&1; then
    sudo apt-get install -y libwebkit2gtk-4.1-dev libgtk-3-dev libayatana-appindicator3-dev curl 2>/dev/null
fi
echo "✅ Dependencies OK"

# ── 2. Préparer Python 3.11 ────────────────────────────────────
echo "[2/5] Preparing Python environment..."
python3 -m venv python-embed/venv
source python-embed/venv/bin/activate
pip install --upgrade pip -q
pip install -r ../backend/requirements.txt -q
echo "✅ Python environment ready"

# ── 2b. Stage backend + frontend pour le bundle ───────────────
# tauri.conf.json embarque backend/** et frontend/** depuis desktop/ :
# sans ce staging, tauri_build échoue (« glob pattern backend/**/* path not found »).
echo "[2b/5] Staging backend + frontend for bundle..."
rm -rf backend frontend
cp -r ../backend backend
cp -r ../frontend frontend
echo "✅ Staged"

# ── 3. Build Tauri ────────────────────────────────────────────
echo "[3/5] Building Tauri application..."
cargo tauri build --target x86_64-unknown-linux-gnu --bundles deb,appimage
echo "✅ Build successful"

# ── 4. Copier le runtime à côté de l'exécutable ───────────────
OUTDIR="target/x86_64-unknown-linux-gnu/release"
echo "[4/5] Copying runtime to $OUTDIR..."
rm -rf "$OUTDIR/python-embed" "$OUTDIR/backend" "$OUTDIR/frontend"
cp -r python-embed "$OUTDIR/"
cp -r ../backend "$OUTDIR/"
cp -r ../frontend "$OUTDIR/"
echo "✅ Runtime + frontend copied"

# ── 4b. Nettoyer les dossiers stagés ──────────────────────────
rm -rf backend frontend
echo "✅ Cleaned"

# ── 5. Résultats ───────────────────────────────────────────────
OUTDIR="target/x86_64-unknown-linux-gnu/release"
echo "[5/5] Results:"
ls -lh "$OUTDIR/bundle/deb/"*.deb 2>/dev/null
ls -lh "$OUTDIR/bundle/appimage/"*.AppImage 2>/dev/null
echo ""
echo "✅ Done! Check $OUTDIR/bundle/"