#!/usr/bin/env bash
set -euo pipefail

cd "$(dirname "$0")/.."

GO="${GO:-/usr/local/go/bin/go}"
MAC_HOST="${MAC_HOST:-johanjongsma@192.168.1.14}"
MAC_PROJECT="${MAC_PROJECT:-~/dev/clavitor/clavis/clavis-vault}"
OUT="dist"

VERSION=$(git describe --tags --always --dirty 2>/dev/null || echo dev)
COMMIT=$(git rev-parse --short HEAD 2>/dev/null || echo unknown)
DATE=$(date -u +%Y%m%d-%H%M)
LDFLAGS="-s -w -X main.version=${VERSION} -X main.commit=${COMMIT} -X main.buildDate=${DATE}"

mkdir -p "$OUT"

echo "=== Clavitor release build ==="
echo "    version: ${VERSION} (${COMMIT}) ${DATE}"
echo ""

# --- Linux amd64 (native) ---
echo "[1/4] linux/amd64 ..."
CGO_ENABLED=1 GOOS=linux GOARCH=amd64 GOFIPS140=latest \
  $GO build -ldflags "$LDFLAGS" -o "${OUT}/clavitor-linux-amd64" ./cmd/clavitor
echo "      done"

# --- Linux arm64 (cross) ---
echo "[2/4] linux/arm64 ..."
if ! command -v aarch64-linux-gnu-gcc &>/dev/null; then
  echo "      aarch64-linux-gnu-gcc not found."
  echo "      Install with: sudo apt install gcc-aarch64-linux-gnu"
  echo "      SKIPPED"
else
  CGO_ENABLED=1 GOOS=linux GOARCH=arm64 CC=aarch64-linux-gnu-gcc GOFIPS140=latest \
    $GO build -ldflags "$LDFLAGS" -o "${OUT}/clavitor-linux-arm64" ./cmd/clavitor
  echo "      done"
fi

# --- Darwin arm64 + amd64 (via SSH to Mac) ---
echo "[3/4] darwin/arm64 (via Mac SSH) ..."
echo "[4/4] darwin/amd64 (via Mac SSH) ..."
if ssh -o ConnectTimeout=5 -o BatchMode=yes "$MAC_HOST" true 2>/dev/null; then
  ssh "$MAC_HOST" bash -s <<REMOTE
    set -euo pipefail
    cd "${MAC_PROJECT}"
    git pull --ff-only 2>/dev/null || true

    VERSION=\$(git describe --tags --always --dirty 2>/dev/null || echo dev)
    COMMIT=\$(git rev-parse --short HEAD 2>/dev/null || echo unknown)
    DATE=\$(date -u +%Y%m%d-%H%M)
    LDFLAGS="-s -w -X main.version=\${VERSION} -X main.commit=\${COMMIT} -X main.buildDate=\${DATE}"

    CGO_ENABLED=1 GOOS=darwin GOARCH=arm64 \
      go build -ldflags "\$LDFLAGS" -o /tmp/clavitor-darwin-arm64 ./cmd/clavitor
    CGO_ENABLED=1 GOOS=darwin GOARCH=amd64 \
      go build -ldflags "\$LDFLAGS" -o /tmp/clavitor-darwin-amd64 ./cmd/clavitor
REMOTE
  scp "$MAC_HOST":/tmp/clavitor-darwin-arm64 "${OUT}/clavitor-darwin-arm64"
  scp "$MAC_HOST":/tmp/clavitor-darwin-amd64 "${OUT}/clavitor-darwin-amd64"
  echo "      done"
else
  echo "      Mac unreachable at ${MAC_HOST} — SKIPPED"
fi

# --- Summary ---
echo ""
echo "=== Built artifacts ==="
for f in "${OUT}"/clavitor-*; do
  [ -f "$f" ] || continue
  size=$(du -h "$f" | cut -f1)
  arch=$(file -b "$f" | head -c 80)
  printf "  %-30s %6s  %s\n" "$(basename "$f")" "$size" "$arch"
done