#!/bin/bash
set -euo pipefail

# rdev release script
# Usage: ./scripts/release.sh <version> "<changelog message>"
# Example: ./scripts/release.sh v0.8.1 "Fix worker ID config bug"

VERSION="${1:-}"
MESSAGE="${2:-}"

if [[ -z "$VERSION" || -z "$MESSAGE" ]]; then
    echo "Usage: $0 <version> \"<changelog message>\""
    echo "Example: $0 v0.8.1 \"Fix worker ID config bug\""
    exit 1
fi

# Ensure version starts with 'v'
if [[ ! "$VERSION" =~ ^v ]]; then
    VERSION="v$VERSION"
fi

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
cd "$REPO_ROOT"

echo "=== rdev release $VERSION ==="
echo ""

# 1. Upsert changelog entry
CHANGELOG_DIR="$REPO_ROOT/changelog"
mkdir -p "$CHANGELOG_DIR"

DATE=$(date +%Y-%m-%d)
CHANGELOG_FILE="$CHANGELOG_DIR/$VERSION.md"

echo "📝 Writing changelog: $CHANGELOG_FILE"
cat > "$CHANGELOG_FILE" << EOF
# $VERSION

**Released:** $DATE

## Changes

$MESSAGE

---

**Image:** \`ghcr.io/orchard9/rdev-api:$VERSION\`
EOF

# 2. Update deployment YAML with new version
echo "📦 Updating deployment to $VERSION"
sed -i.bak "s|image: ghcr.io/orchard9/rdev-api:v[0-9.]*|image: ghcr.io/orchard9/rdev-api:$VERSION|g" \
    "$REPO_ROOT/deployments/k8s/base/rdev-api.yaml"
rm -f "$REPO_ROOT/deployments/k8s/base/rdev-api.yaml.bak"

# 3. Commit and push
echo "📤 Committing and pushing"
git add changelog/ deployments/k8s/base/rdev-api.yaml
git commit -m "release: $VERSION - $MESSAGE"
git push origin main

# 4. Build for linux/amd64
echo "🔨 Building binary for linux/amd64"
GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -ldflags="-s -w -X main.version=$VERSION" -o rdev-api ./cmd/rdev-api

echo "🐳 Building container image"
docker buildx build --platform linux/amd64 -f Dockerfile.api.prebuild -t "ghcr.io/orchard9/rdev-api:$VERSION" --load .

# 5. Push to ghcr.io
echo "🚀 Pushing to ghcr.io"
docker push "ghcr.io/orchard9/rdev-api:$VERSION"

# 6. Tag the commit
echo "🏷️  Tagging commit as $VERSION"
git tag -a "$VERSION" -m "$MESSAGE"
git push origin "$VERSION"

# Cleanup binary
rm -f rdev-api

echo ""
echo "=== Release $VERSION complete ==="
echo ""
echo "To deploy to k3s:"
echo "  export KUBECONFIG=~/.kube/orchard9-k3sf.yaml"
echo "  kubectl apply -f deployments/k8s/base/rdev-api.yaml"
echo "  kubectl rollout restart -n rdev deployment/rdev-api"