command -v git &>/dev/null \
  || { echo "✗ git not found. Install Xcode CLI tools: xcode-select --install"; exit 1; }

if ! command -v gh &>/dev/null; then
  echo "⚠ gh not found — installing..."
  brew install gh
  command -v gh &>/dev/null \
    || { echo "✗ gh install failed. Run manually: brew install gh"; exit 1; }
  echo "✓ gh installed"
fi

if ! gh auth status &>/dev/null; then
  echo "⚠ gh not authenticated."
  echo "  Run: gh auth login"
  echo "  Then re-run /iso-init-repo"
  exit 1
fi

git remote get-url origin 2>/dev/null || echo "no remote"

if [ -f package.json ] && ! command -v npx &>/dev/null; then
  echo "⚠ node/npx not found — Steps 5–6 (commitlint, version-bump) will be skipped."
  echo "  Install Node.js: https://nodejs.org or via nvm/fnm"
fi

gh repo create <name> --private --source=. --remote=origin --push

gh repo view

ORIGIN=$(git symbolic-ref --short HEAD)   # current default, likely 'main'

# Create prod from current default
git checkout -b prod 2>/dev/null || git checkout prod
git push -u origin prod

# Create test and dev from prod
git checkout -b test prod && git push -u origin test
git checkout -b dev prod && git push -u origin dev

# Set dev as GitHub default branch
gh repo edit --default-branch dev

# Delete original default (main) if it was the starting point
if [ "$ORIGIN" = "main" ]; then
  git push origin --delete main
  git branch -d main
fi

REPO=$(gh repo view --json nameWithOwner -q .nameWithOwner)

# prod — PR required, no force push. ci-prod-gate enforces source=test.
gh api "repos/$REPO/branches/prod/protection" --method PUT \
  --input - <<'EOF'
{
  "required_status_checks": null,
  "enforce_admins": false,
  "required_pull_request_reviews": { "required_approving_review_count": 0 },
  "restrictions": null
}
EOF

# test — PR required, no force push
gh api "repos/$REPO/branches/test/protection" --method PUT \
  --input - <<'EOF'
{
  "required_status_checks": null,
  "enforce_admins": false,
  "required_pull_request_reviews": { "required_approving_review_count": 0 },
  "restrictions": null
}
EOF

# dev — PR required, no force push
gh api "repos/$REPO/branches/dev/protection" --method PUT \
  --input - <<'EOF'
{
  "required_status_checks": null,
  "enforce_admins": false,
  "required_pull_request_reviews": { "required_approving_review_count": 0 },
  "restrictions": null
}
EOF

git checkout dev
git add .github/
git commit -m "chore(repo): add prod-gate workflow"
git push origin dev

if [ -f pnpm-lock.yaml ]; then echo "pnpm"
elif [ -f yarn.lock ]; then echo "yarn"
elif [ -f bun.lockb ] || [ -f bun.lock ]; then echo "bun"
else echo "npm"; fi

[ -d .husky ] || npx husky init

pnpm add -D -w @commitlint/cli @commitlint/config-conventional   # pnpm
yarn add -D -W @commitlint/cli @commitlint/config-conventional   # yarn
bun add -d @commitlint/cli @commitlint/config-conventional       # bun
npm install --save-dev @commitlint/cli @commitlint/config-conventional  # npm

grep -q "commitlint" .husky/commit-msg 2>/dev/null \
  && echo "commit-msg: already configured, skipping" \
  || { cat templates/commit-msg.sh > .husky/commit-msg && chmod +x .husky/commit-msg; }

[ -f commitlint.config.js ] \
  && echo "commitlint.config.js: already exists, skipping — review manually if needed" \
  || cp templates/commitlint.config.js commitlint.config.js

git log --oneline | sed -n 's/[^(]*(\([^)]*\)).*/\1/p' | sort -u

git add .husky/ commitlint.config.js package.json
git commit -m "chore(repo): add commitlint"
git push origin dev

bash "$(dirname "$0")/post-commit-version-bump.sh"

git add .husky/
git commit -m "chore(repo): add version-bump post-commit hook"
git push origin dev

mkdir -p .claude/commands
git add .claude/commands/deploy-cascade.md
git commit -m "chore(repo): add /deploy-cascade command"
git push origin dev

✓ GitHub repo created/configured
✓ Branches: dev (default) ← test ← prod
✓ Protection: PR required on dev, test, prod (no direct push)
✓ .github/workflows/ci-prod-gate.yml       — prod accepts PRs from test only
✓ .husky/commit-msg + commitlint.config.js [or: skipped — no package.json]
✓ .husky/post-commit-version-bump.sh       [or: skipped — no package.json]
✓ .claude/commands/deploy-cascade.md       — /deploy-cascade command