#!/usr/bin/env bash
# release.sh <tag>  —  update version.yaml, package configs, create Forgejo Release
set -euo pipefail

TAG="$1"
VER="${TAG#v}"

echo "==> release: tag=${TAG} version=${VER}"

# Extract release notes from CHANGELOG.md (first summary line of the latest section)
RELEASE_NOTES=$(python3 - <<'PYEOF'
import re, sys
try:
    with open('CHANGELOG.md') as f:
        content = f.read()
    parts = re.split(r'\n## ', '\n' + content)
    if len(parts) > 1:
        section = parts[1]
        lines = section.strip().split('\n')
        notes = []
        for line in lines[1:]:
            stripped = line.strip()
            if stripped.startswith('#'):
                break
            if stripped:
                notes.append(stripped)
        print('\n'.join(notes) if notes else lines[0])
    else:
        print('')
except Exception as e:
    print('', file=sys.stderr)
    print('')
PYEOF
)

echo "==> release: release_notes=${RELEASE_NOTES}"

# Update backend/config/version.yaml
python3 - "${VER}" "${RELEASE_NOTES}" <<'PYEOF'
import sys
ver = sys.argv[1]
notes = sys.argv[2]
lines = []
with open('backend/config/version.yaml') as f:
    for line in f:
        if line.startswith('version:'):
            lines.append('version: "' + ver + '"\n')
        elif line.startswith('build_number:'):
            try:
                build = int(line.split(':', 1)[1].strip()) + 1
            except Exception:
                build = 1
            lines.append('build_number: ' + str(build) + '\n')
        elif line.startswith('release_notes:'):
            lines.append('release_notes: "' + notes.replace('\\', '\\\\').replace('"', '\\"') + '"\n')
        else:
            lines.append(line)
with open('backend/config/version.yaml', 'w') as f:
    f.writelines(lines)
print('version.yaml updated to', ver)
PYEOF

# Package configs.tar.gz (includes updated version.yaml)
tar -czf dist/configs.tar.gz \
  deploy/nginx-jiu.conf \
  deploy/jiu.service \
  deploy/production.env.template \
  deploy/setup-ec2.sh \
  deploy/docker-compose.yml \
  deploy/docker-compose.jiu.yml \
  backend/config/version.yaml

echo "==> release: creating Forgejo Release ${TAG}"

# Build release body from CHANGELOG excerpt
BODY=$(python3 - "${TAG}" "${RELEASE_NOTES}" <<'PYEOF'
import sys, json
tag = sys.argv[1]
notes = sys.argv[2]
body = '## ' + tag + '\n\n' + notes
print(json.dumps(body))
PYEOF
)

RESP=$(curl -sf -X POST "${FORGEJO_URL}/api/v1/repos/${GITEA_REPOSITORY}/releases" \
  -H "Authorization: token ${FORGEJO_TOKEN}" \
  -H "Content-Type: application/json" \
  -d "{\"tag_name\":\"${TAG}\",\"name\":\"Release ${TAG}\",\"body\":${BODY},\"draft\":false,\"prerelease\":false}")

echo "==> release: API response: ${RESP}"

RELEASE_ID=$(python3 -c "import sys,json; print(json.load(sys.stdin)['id'])" <<< "${RESP}")
echo "==> release: release_id=${RELEASE_ID}"

# Upload assets
curl -sf -X POST "${FORGEJO_URL}/api/v1/repos/${GITEA_REPOSITORY}/releases/${RELEASE_ID}/assets" \
  -H "Authorization: token ${FORGEJO_TOKEN}" \
  -F "attachment=@dist/jiu-server"
echo "==> release: uploaded jiu-server"

curl -sf -X POST "${FORGEJO_URL}/api/v1/repos/${GITEA_REPOSITORY}/releases/${RELEASE_ID}/assets" \
  -H "Authorization: token ${FORGEJO_TOKEN}" \
  -F "attachment=@dist/web.tar.gz"
echo "==> release: uploaded web.tar.gz"

curl -sf -X POST "${FORGEJO_URL}/api/v1/repos/${GITEA_REPOSITORY}/releases/${RELEASE_ID}/assets" \
  -H "Authorization: token ${FORGEJO_TOKEN}" \
  -F "attachment=@dist/configs.tar.gz"
echo "==> release: uploaded configs.tar.gz"

echo "==> release: done — Release ${TAG} created"