#!/bin/bash
# verify_t33.sh — 验收 T-3.3：筛选过滤逻辑（严格版）
set -e
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
FILE="$PROJECT_ROOT/frontend/src/pages/Explorer.tsx"

echo "=== T-3.3 验收检查 ==="

# T-3.3.1: filterModels 函数存在
if grep -q 'function filterModels' "$FILE"; then
    echo "filterModels  PASS — filterModels 函数已定义"
else
    echo "filterModels  FAIL"
    exit 1
fi

# T-3.3.1: 组件声明存在
if grep -q 'const ExplorerPage: React.FC = () =>' "$FILE"; then
    echo "ExplorerPage  PASS — 组件声明存在"
else
    echo "ExplorerPage  FAIL — 缺少组件声明"
    exit 1
fi

# T-3.3.2: filteredResults 共享变量存在
if grep -q 'const filteredResults' "$FILE"; then
    echo "filteredResults  PASS — 过滤结果收敛为 shared variable"
else
    echo "filteredResults  FAIL"
    exit 1
fi

# T-3.3.2: filterModels 在 JSX 中未被重复调用（只在 filteredResults 赋值处出现一次）
# 允许出现 1 次（在赋值语句中），不允许在 JSX 渲染分支中出现
call_count=$(grep -c 'filterModels(getMockModels(), filters)' "$FILE" || true)
if [ "$call_count" -eq 1 ]; then
    echo "shared-var      PASS — filterModels 仅在 filteredResults 赋值处调用一次"
else
    echo "shared-var      FAIL — filterModels 调用次数: $call_count（期望 1）"
    exit 1
fi

# T-3.3.2: filteredResults 被双视图共用（卡片和表格分支都用它）
filtered_card=$(grep -c 'filteredResults.map.*card\|filteredResults.length.*card' "$FILE" || true)
if grep -q 'filteredResults.length === 0' "$FILE" && \
   grep -q 'filteredResults.map' "$FILE"; then
    echo "dual-view       PASS — filteredResults 同时被空判断和渲染分支引用"
else
    echo "dual-view       FAIL"
    exit 1
fi

echo ""
echo "all PASS"
exit 0