#!/usr/bin/env bash
# =============================================================================
#  08-build-static-frontend.sh — 构建静态前端资源（dist）
#
#  用法:
#    ./08-build-static-frontend.sh            # 构建 cms + build-cms
#    ./08-build-static-frontend.sh cms        # 只构建 cms
#    ./08-build-static-frontend.sh build-cms  # 只构建 build-cms
#
#  产物目录:
#    /app/cms/dist
#    /app/build-cms/dist
# =============================================================================
set -euo pipefail
source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common.sh"
init_dirs
init_script_log

header "构建静态前端资源"

declare -A FE_DIR=(
  [cms]="cms"
  [build-cms]="build-cms"
)

declare -A FE_PM=(
  [cms]="pnpm"
  [build-cms]="pnpm"
)

declare -A FE_BUILD_CMD=(
  [cms]="pnpm run build"
  [build-cms]="pnpm run build"
)

FE_PROJECTS=(cms build-cms)
TARGET="${1:-all}"

_valid_target() {
  local target="$1"
  for p in "${FE_PROJECTS[@]}"; do
    [[ "$p" == "$target" ]] && return 0
  done
  return 1
}

_build_fe() {
  local name="$1"
  local dir="$ROOT_DIR/${FE_DIR[$name]}"
  local pm="${FE_PM[$name]}"
  local cmd="${FE_BUILD_CMD[$name]}"
  local dist_dir="$dir/dist"

  if [[ ! -d "$dir" ]]; then
    error "$name 目录不存在: $dir"
    return 1
  fi

  if [[ ! -d "$dir/node_modules" ]]; then
    error "$name node_modules 不存在，请先执行: ./deploy-test/06-install-frontend.sh $name"
    return 1
  fi

  if ! command -v "$pm" &>/dev/null; then
    error "$name 需要 $pm，未安装"
    return 1
  fi

  info "构建 ${BOLD}$name${NC} ..."
  (
    cd "$dir"
    rm -rf "$dist_dir"
    # shellcheck disable=SC2086
    $cmd
  )

  if [[ ! -d "$dist_dir" ]]; then
    error "$name 构建完成但 dist 不存在: $dist_dir"
    return 1
  fi

  success "$name 构建完成 → $dist_dir"
}

if [[ "$TARGET" == "all" ]]; then
  FAILED=()
  for proj in "${FE_PROJECTS[@]}"; do
    _build_fe "$proj" || FAILED+=("$proj")
  done

  if [[ ${#FAILED[@]} -gt 0 ]]; then
    error "以下静态前端构建失败: ${FAILED[*]}"
    exit 1
  fi
else
  if ! _valid_target "$TARGET"; then
    error "未知项目: $TARGET"
    echo "可用: ${FE_PROJECTS[*]}"
    exit 1
  fi
  _build_fe "$TARGET"
fi

echo ""
echo -e "${BOLD}下一步：${NC}"
echo "  1. 以 root 执行: sudo ./deploy-test/00-init-tools.sh nginx"
echo "  2. 域名访问:"
echo "     - http://cms-jack.imharry.work/"
echo "     - http://build-jack.imharry.work/"