#!/usr/bin/env bash
set -euo pipefail

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

fail() {
  printf 'doc status check failed: %s\n' "$*" >&2
  exit 1
}

require_file() {
  local file="$1"
  [[ -f "${file}" ]] || fail "missing file: ${file}"
}

require_contains() {
  local file="$1"
  local needle="$2"
  grep -Fq -- "${needle}" "${file}" || fail "${file} missing required text: ${needle}"
}

require_regex() {
  local file="$1"
  local pattern="$2"
  grep -Eiq -- "${pattern}" "${file}" || fail "${file} missing required pattern: ${pattern}"
}

required_docs=(
  "CURRENT_STATUS.md"
  "USERGUIDE.md"
  "PROJECT_PLAN.md"
  "docs/architecture/assetbundle.md"
  "docs/guides/development.md"
  "docs/reference/rpc-backend-api.md"
  "docs/reports/CURRENT_GAPS.md"
  "docs/reports/GO_STATUS.md"
  "docs/reports/PARSER_FREEZE.md"
  "internal/api/testdata/contract/README.md"
)

for file in "${required_docs[@]}"; do
  require_file "${file}"
done

placeholder_readmes=(
  "api/README.md"
  "api/proto/README.md"
  "internal/config/README.md"
  "internal/downloader/README.md"
  "internal/extractor/README.md"
  "internal/manifest/README.md"
  "internal/storage/README.md"
  "pkg/README.md"
  "pkg/cas/README.md"
  "pkg/translator/README.md"
  "pkg/types/README.md"
  "web/README.md"
  "web/admin/README.md"
  "web/shared/README.md"
)

for file in "${placeholder_readmes[@]}"; do
  require_file "${file}"
  require_regex "${file}" "not implemented"
  require_contains "${file}" "docs/reports/GO_STATUS.md"
done

parser_freeze_docs=(
  "CURRENT_STATUS.md"
  "PROJECT_PLAN.md"
  "docs/architecture/assetbundle.md"
  "docs/guides/development.md"
  "docs/reports/CURRENT_GAPS.md"
)

for file in "${parser_freeze_docs[@]}"; do
  require_contains "${file}" "docs/reports/PARSER_FREEZE.md"
done

require_contains "USERGUIDE.md" "scope=resource_bootstrap_only"
require_contains "USERGUIDE.md" "package_update_manifest=false"
require_contains "docs/reports/GO_STATUS.md" "resource bootstrap + CDN path"
require_contains "docs/reports/GO_STATUS.md" "internal/api/testdata/contract/"
require_contains "CURRENT_STATUS.md" "cmd/bat-api"
require_contains "CURRENT_STATUS.md" "internal/api/testdata/contract/"
require_contains "docs/reports/CURRENT_GAPS.md" "非完整官方游戏 API"
require_contains "docs/reports/CURRENT_GAPS.md" "daemon.clean-stable"
require_contains "docs/reference/rpc-backend-api.md" "daemon.restart"
require_contains "docs/reference/rpc-backend-api.md" "daemon.clean-stable"
require_contains "docs/reference/rpc-backend-api.md" "localized_release_status"

require_contains "Makefile" "check-docs:"
require_contains ".gitea/workflows/bat.yml" "make check-docs"
require_contains ".gitea/workflows/bat.yml" "make test-go-api"
require_contains ".gitea/workflows/bat.yml" "go vet ./internal/api/... ./internal/backendrpc/... ./cmd/bat-api/..."
require_contains ".gitea/workflows/bat.yml" "go build -o /tmp/bat-api ./cmd/bat-api"

printf 'doc status check ok\n'