#!/usr/bin/env bash
# Generate the framework admin OpenAPI document and the admin SPA's TypeScript
# types from the swag annotations in cabana (D-15):
#   swag v1.16.6 (Swagger 2.0) -> internal/tools/swagger2openapi (OpenAPI 3.0)
#   -> openapi-typescript (admin devDependency) -> admin/src/api/schema.d.ts
# Without arguments the outputs replace admin/openapi/admin.json and
# admin/src/api/schema.d.ts. With --check nothing is written and the script
# exits non-zero when either committed file differs from a fresh generation.
set -euo pipefail

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

CHECK=0
case "${1:-}" in
  "") ;;
  --check) CHECK=1 ;;
  *)
    echo "usage: scripts/check-admin-openapi.sh [--check]" >&2
    exit 2
    ;;
esac

if [[ ! -d admin/node_modules ]]; then
  npm --prefix admin ci
fi

TMP="$(mktemp -d)"
trap 'rm -rf "$TMP"' EXIT

go run github.com/swaggo/swag/cmd/swag@v1.16.6 init \
  --dir modules/cabana \
  --generalInfo admin_openapi.go \
  --output "$TMP" \
  --outputTypes json \
  --requiredByDefault \
  --quiet

if [[ ! -s "$TMP/swagger.json" ]]; then
  echo "check-admin-openapi: swag did not generate swagger.json" >&2
  exit 1
fi

go run ./internal/tools/swagger2openapi "$TMP/swagger.json" > "$TMP/admin.json"
admin/node_modules/.bin/openapi-typescript "$TMP/admin.json" -o "$TMP/schema.d.ts"

if [[ "$CHECK" -eq 1 ]]; then
  status=0
  diff -u admin/openapi/admin.json "$TMP/admin.json" || status=1
  diff -u admin/src/api/schema.d.ts "$TMP/schema.d.ts" || status=1
  if [[ "$status" -ne 0 ]]; then
    echo "check-admin-openapi: committed admin OpenAPI output is stale; run scripts/check-admin-openapi.sh" >&2
  fi
  exit "$status"
fi

mkdir -p admin/openapi admin/src/api
cp "$TMP/admin.json" admin/openapi/admin.json
cp "$TMP/schema.d.ts" admin/src/api/schema.d.ts
echo "check-admin-openapi: wrote admin/openapi/admin.json and admin/src/api/schema.d.ts"