#!/bin/bash
set -e  # Exit on error

# Brainy Release Script
# Simple, reliable release workflow: build → test → commit → push → publish → release

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

# Parse arguments
RELEASE_TYPE="${1:-patch}"  # patch, minor, or major
SKIP_TESTS=false
DRY_RUN=false
# --source-only is now a no-op: The Source is the one registry, so every
# release already ships Source-only — tag, CI's publish to The Source, the
# release page, and the docs push, with no separate storefront leg to skip.
# The flag is still accepted (for backward-compatible invocations) and just
# prints a notice; it no longer changes behavior.
SOURCE_ONLY=false

for arg in "$@"; do
  case $arg in
    --skip-tests)
      SKIP_TESTS=true
      ;;
    --dry-run)
      DRY_RUN=true
      ;;
    --source-only)
      SOURCE_ONLY=true
      ;;
  esac
done

# An explicit version (e.g. "8.0.0-rc.1") may be passed in place of patch/minor/major.
EXPLICIT_VERSION=""
if [[ "$RELEASE_TYPE" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[0-9A-Za-z.-]+)?$ ]]; then
  EXPLICIT_VERSION="$RELEASE_TYPE"
fi

# Release on whatever branch we're on — RC lines live on feature branches, not main.
CURRENT_BRANCH="$(git rev-parse --abbrev-ref HEAD)"

echo -e "${BLUE}🚀 Brainy Release Script${NC}"
echo -e "${BLUE}Release type: ${RELEASE_TYPE}${NC}"
echo -e "${BLUE}Branch: ${CURRENT_BRANCH}${NC}\n"

if [ "$DRY_RUN" = true ]; then
  echo -e "${YELLOW}⚠️  DRY RUN MODE - No changes will be made${NC}\n"
fi

if [ "$SKIP_TESTS" = true ]; then
  echo -e "${YELLOW}⚠️  SKIPPING TESTS - Use with caution!${NC}\n"
fi

# Step 1: Verify clean git state
echo -e "${BLUE}1️⃣  Checking git status...${NC}"
if [ -n "$(git status --porcelain)" ]; then
  echo -e "${RED}❌ Working directory not clean. Commit or stash changes first.${NC}"
  exit 1
fi
echo -e "${GREEN}✅ Working directory clean${NC}\n"

# Step 2: Build
echo -e "${BLUE}2️⃣  Building project...${NC}"
if [ "$DRY_RUN" = false ]; then
  npm run build
fi
echo -e "${GREEN}✅ Build successful${NC}\n"

# Step 3: Test
if [ "$SKIP_TESTS" = false ]; then
  echo -e "${BLUE}3️⃣  Running tests...${NC}"
  if [ "$DRY_RUN" = false ]; then
    # Full CI gate: unit + integration (test:ci = test:ci-unit && test:ci-integration).
    npm run test:ci
  fi
  echo -e "${GREEN}✅ Tests passed${NC}\n"
else
  echo -e "${YELLOW}3️⃣  Skipping tests...${NC}\n"
fi

# Step 4: Get current and new version
CURRENT_VERSION=$(node -p "require('./package.json').version")
echo -e "${BLUE}Current version: ${CURRENT_VERSION}${NC}"

# Calculate new version
IFS='.' read -r -a VERSION_PARTS <<< "$CURRENT_VERSION"
MAJOR="${VERSION_PARTS[0]}"
MINOR="${VERSION_PARTS[1]}"
PATCH="${VERSION_PARTS[2]}"

if [ -n "$EXPLICIT_VERSION" ]; then
  NEW_VERSION="$EXPLICIT_VERSION"
else
  case $RELEASE_TYPE in
    major)
      NEW_VERSION="$((MAJOR + 1)).0.0"
      ;;
    minor)
      NEW_VERSION="${MAJOR}.$((MINOR + 1)).0"
      ;;
    patch)
      NEW_VERSION="${MAJOR}.${MINOR}.$((PATCH + 1))"
      ;;
    *)
      echo -e "${RED}❌ Invalid release type: ${RELEASE_TYPE}${NC}"
      echo "Usage: ./scripts/release.sh [patch|minor|major|<explicit-version>] [--dry-run] [--source-only (no-op; The Source is the one registry)]"
      exit 1
      ;;
  esac
fi

# A version with a hyphen (e.g. 8.0.0-rc.1) is a prerelease: publish under the 'rc'
# dist-tag (NOT 'latest') and mark the GitHub release as a prerelease.
PRERELEASE=false
NPM_TAG="latest"
if [[ "$NEW_VERSION" == *"-"* ]]; then
  PRERELEASE=true
  NPM_TAG="rc"
fi

echo -e "${BLUE}New version: ${NEW_VERSION}${NC}"
if [ "$PRERELEASE" = true ]; then
  echo -e "${YELLOW}⚠️  Prerelease → npm dist-tag '${NPM_TAG}', GitHub prerelease${NC}"
fi
if [ "$SOURCE_ONLY" = true ]; then
  echo -e "${YELLOW}⚠️  The Source is the one registry; --source-only is implied${NC}"
fi
echo ""

if [ "$DRY_RUN" = true ]; then
  echo -e "${YELLOW}DRY RUN: Would release version ${NEW_VERSION}${NC}"
  exit 0
fi

# Step 5: Bump version in package files
echo -e "${BLUE}4️⃣  Bumping version to ${NEW_VERSION}...${NC}"
npm version $NEW_VERSION --no-git-tag-version
echo -e "${GREEN}✅ Version bumped${NC}\n"

# Step 6: Update CHANGELOG
echo -e "${BLUE}5️⃣  Updating CHANGELOG...${NC}"
# Get commits since last tag
LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
if [ -z "$LAST_TAG" ]; then
  COMMITS=$(git log --oneline --pretty=format:"- %s (%h)")
else
  COMMITS=$(git log ${LAST_TAG}..HEAD --oneline --pretty=format:"- %s (%h)")
fi

# Create new changelog entry
CHANGELOG_ENTRY="### [${NEW_VERSION}](https://source.soulcraft.com/soulcraftlabs/open-brainy/compare/v${CURRENT_VERSION}...v${NEW_VERSION}) ($(date +%Y-%m-%d))

${COMMITS}
"

# Prepend to CHANGELOG.md after header
if [ -f "CHANGELOG.md" ]; then
  # Read header (first 4 lines)
  HEADER=$(head -n 4 CHANGELOG.md)
  # Read rest of file
  REST=$(tail -n +5 CHANGELOG.md)
  # Write new CHANGELOG
  echo "$HEADER" > CHANGELOG.md
  echo "" >> CHANGELOG.md
  echo "$CHANGELOG_ENTRY" >> CHANGELOG.md
  echo "" >> CHANGELOG.md
  echo "$REST" >> CHANGELOG.md
fi
echo -e "${GREEN}✅ CHANGELOG updated${NC}\n"

# Step 7: Create release commit
echo -e "${BLUE}6️⃣  Creating release commit...${NC}"
git add package.json package-lock.json CHANGELOG.md
git commit -m "chore(release): ${NEW_VERSION}"
echo -e "${GREEN}✅ Release commit created${NC}\n"

# Step 8: Create git tag
# Annotated (-a) so `git push --follow-tags` below actually pushes it. A lightweight tag is
# skipped by --follow-tags, which leaves the tag local-only and makes `gh release create` fail.
echo -e "${BLUE}7️⃣  Creating git tag v${NEW_VERSION}...${NC}"
git tag -a "v${NEW_VERSION}" -m "Release v${NEW_VERSION}"
echo -e "${GREEN}✅ Tag created${NC}\n"

# Step 9: Push to origin — The Source is the one home (ruled 2026-07-23; the
# old public GitHub repo is archived history, no longer part of any release).
# TAG FIRST, branch second — deliberately two pushes: the runner is
# sequential, and a combined push can queue the release commit's ci.yml run
# AHEAD of the tag's publish-source run (observed on 10.0.0: the publish sat
# ~37 minutes behind a redundant CI run of the very commit the local gates
# had just proven). Pushing the tag alone queues the publish immediately;
# the branch push (and its ci.yml run) follows behind it, harmlessly.
echo -e "${BLUE}8️⃣  Pushing to origin (tag first — the publish must never queue behind CI)...${NC}"
git push origin "v${NEW_VERSION}"
git push origin "$CURRENT_BRANCH"
echo -e "${GREEN}✅ Pushed to origin${NC}\n"

# Step 10: The home publish (The Source, source.soulcraft.com) is CI's job
# now, not the laptop's — a tag push (just above) triggers
# .forgejo/workflows/publish-source.yml, which builds and publishes on The
# Source's own runner (datacenter-side: seconds, not the laptop's WAN timing
# out on an 87MB tarball PUT). The laptop holds no home-registry publish
# credential anymore; it only waits for CI's result before continuing on to
# the release page and the docs push.
SOURCE_NPM_REG="https://source.soulcraft.com/api/packages/soulcraftlabs/npm/"
SOURCE_POLL_INTERVAL_S=15
SOURCE_POLL_MAX_ATTEMPTS=200  # 200 × 15s = 50 minutes — the runner is sequential and a busy day's ci.yml
                             # backlog has twice exceeded the old 20-minute window (8.10.3, 9.0.0);
                             # ci.yml no longer runs on tag pushes, but same-day branch pushes still queue ahead
echo -e "${BLUE}9️⃣  Waiting for CI to publish v${NEW_VERSION} to The Source registry (home)...${NC}"
SOURCE_LANDED=false
for ((attempt = 1; attempt <= SOURCE_POLL_MAX_ATTEMPTS; attempt++)); do
  LANDED_VERSION=$(npm view "@soulcraftlabs/brainy@${NEW_VERSION}" version "--@soulcraftlabs:registry=${SOURCE_NPM_REG}" 2>/dev/null || echo "")
  if [ "$LANDED_VERSION" = "$NEW_VERSION" ]; then
    SOURCE_LANDED=true
    break
  fi
  echo -e "${YELLOW}   … not yet on The Source (attempt ${attempt}/${SOURCE_POLL_MAX_ATTEMPTS}); retrying in ${SOURCE_POLL_INTERVAL_S}s${NC}"
  sleep "$SOURCE_POLL_INTERVAL_S"
done

if [ "$SOURCE_LANDED" = true ]; then
  echo -e "${GREEN}✅ CI published v${NEW_VERSION} to The Source${NC}\n"
else
  echo -e "${RED}❌ CI's home publish did not land — check the workflow run on The Source; the pair must not diverge.${NC}"
  echo -e "${RED}   v${NEW_VERSION} was tagged and pushed, but @soulcraftlabs/brainy@${NEW_VERSION} never became visible on the${NC}"
  echo -e "${RED}   Source registry after ${SOURCE_POLL_MAX_ATTEMPTS} attempts, ${SOURCE_POLL_INTERVAL_S}s apart. Aborting.${NC}"
  exit 1
fi

# Step 11: Release object on The Source (presentational — the tag, CHANGELOG,
# and RELEASES.md are the record; this just gives The Source's UI a release page).
echo -e "${BLUE}🔟 Creating release page on The Source...${NC}"
if [ -n "${FORGEJO_RELEASE_TOKEN:-}" ]; then
  if curl -sf -X POST "https://source.soulcraft.com/api/v1/repos/soulcraftlabs/open-brainy/releases" \
    -H "Authorization: token ${FORGEJO_RELEASE_TOKEN}" -H "Content-Type: application/json" \
    -d "{\"tag_name\":\"v${NEW_VERSION}\",\"name\":\"v${NEW_VERSION}\",\"prerelease\":${PRERELEASE}}" >/dev/null; then
    echo -e "${GREEN}✅ Release page created on The Source${NC}\n"
  else
    echo -e "${RED}⚠️  Release-page API call failed — tag + CHANGELOG remain the record; create the page via The Source's UI if wanted${NC}\n"
  fi
else
  echo -e "${RED}⚠️  FORGEJO_RELEASE_TOKEN unset — no release page created; tag + CHANGELOG remain the record${NC}\n"
fi

# Step 12: Push public docs to the soulcraft.com docs ingest door
# (VENUE-DOCS-RELEASE-PUSH). Skips with a loud warning when
# DOCS_INGEST_SECRET is unset; fails loudly (without undoing the publish —
# that already happened) when a push errors, so the docs site never
# silently trails npm.
echo -e "${BLUE}1️⃣2️⃣ Pushing public docs to soulcraft.com/docs...${NC}"
if node scripts/push-docs.js; then
  echo -e "${GREEN}✅ Docs push step done${NC}\n"
else
  echo -e "${RED}❌ Docs push FAILED — soulcraft.com/docs trails npm until re-run or interim sync${NC}\n"
fi

echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
echo -e "${GREEN}🎉 Release ${NEW_VERSION} complete!${NC}"
echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
echo ""
echo -e "🏠 The Source: ${BLUE}https://source.soulcraft.com/soulcraftlabs/open-brainy/releases/tag/v${NEW_VERSION}${NC}"