import { describe, it, expect, vi } from "vitest";
import { readFileSync } from "node:fs";
import { resolve } from "node:path";
import { mount } from "@vue/test-utils";
import PermissionMonitoring from "@/components/PermissionMonitoring.vue";

vi.mock("@/api/projectPermissions", () => ({
  fetchPermissionMetrics: vi.fn().mockResolvedValue({
    data: {
      check_metrics: {
        total_checks: 1000, allowed_checks: 950, denied_checks: 50,
        total_time: 5.234, min_time: 0.001, max_time: 0.05, avg_time: 0.005,
        allow_rate: 95.0, deny_rate: 5.0, error_rate: 0.1, errors: 1,
      },
      cache_metrics: {
        total_accesses: 1000, cache_hits: 850, cache_misses: 150,
        cache_invalidations: 5, hit_rate: 85.0, miss_rate: 15.0,
        window_seconds: 3600, scope: "sliding_window",
        by_cache: {
          project_permissions: {
            total_accesses: 800, cache_hits: 700, cache_misses: 100,
            cache_invalidations: 5, hit_rate: 87.5, miss_rate: 12.5,
          },
          member_roles: {
            total_accesses: 200, cache_hits: 150, cache_misses: 50,
            cache_invalidations: 5, hit_rate: 75, miss_rate: 25,
          },
        },
      },
      uptime_seconds: 3600,
    },
  }),
  fetchPermissionHealth: vi.fn().mockResolvedValue({
    data: {
      status: "healthy", health_score: 95, issues: [],
      sample_sufficient: true,
      score_breakdown: {
        performance: { weight: 25, deduction: 0 },
        deny_rate: { weight: 20, deduction: 0 },
        cache: {
          weight: 25, deduction: 5, sample_sufficient: true,
          scope: "sliding_window", window_seconds: 3600,
        },
        alerts: { weight: 10, deduction: 0 },
        runtime: { weight: 20, deduction: 0 },
      },
      last_hour: {
        total_checks: 30, denied_checks: 2, deny_rate: 6.67,
        avg_elapsed_ms: 3.5, error_alerts: 0, warning_alerts: 0,
      },
      cache_stats: { cache_items: { total_count: 60 }, cache_metrics: {} },
      components: {
        database: { status: "healthy", latency_ms: 2.1 },
        permission_log_writer: { status: "healthy", running: true, queue_size: 0, queue_capacity: 10000, dropped_entries: 0 },
        security_log_writer: { status: "healthy", running: true, queue_size: 0, queue_capacity: 20000, dropped_entries: 0 },
        retention: { status: "healthy", running: true, access_log_retention_days: 90, metric_retention_days: 400 },
      },
    },
  }),
  fetchPermissionAlerts: vi.fn().mockResolvedValue({ data: { total: 0, alerts: [] } }),
  fetchTopDenied: vi.fn().mockResolvedValue({ data: { items: [] } }),
  fetchStatsSummary: vi.fn().mockResolvedValue({
    data: {
      total_logs: 5000,
      today: { total_checks: 200, allowed_checks: 190, denied_checks: 10, avg_elapsed_ms: 3.5, max_elapsed_ms: 45, allow_rate: 95, deny_rate: 5 },
      last_hour: { total_checks: 30, allowed_checks: 28, denied_checks: 2, requests_per_minute: 0.5 },
    },
  }),
  fetchPermissionTrends: vi.fn().mockResolvedValue({ data: { period: "24h", data_points: [] } }),
  fetchAccessLogs: vi.fn().mockResolvedValue({ data: { total: 0, page: 1, page_size: 50, items: [] } }),
}));

describe("PermissionMonitoring.vue", () => {
  it("renders monitoring dashboard with tabs", () => {
    const wrapper = mount(PermissionMonitoring, {
      global: {
        stubs: {
          ElTabs: false,
          ElTabPane: false,
          PermissionTrendCharts: true,
          PermissionAccessLogs: true,
          PermissionIpLocations: true,
          SecurityCenter: true,
        },
      },
    });

    expect(wrapper.find(".permission-monitoring").exists()).toBe(true);
  });

  it("exposes refresh method", () => {
    const wrapper = mount(PermissionMonitoring, {
      global: {
        stubs: {
          ElTabs: true,
          ElTabPane: true,
          PermissionTrendCharts: true,
          PermissionAccessLogs: true,
          PermissionIpLocations: true,
          SecurityCenter: true,
        },
      },
    });

    expect(typeof wrapper.vm.refresh).toBe("function");
  });

  it("keeps security events in security center instead of access logs", () => {
    const source = readFileSync(resolve(__dirname, "./PermissionMonitoring.vue"), "utf8");

    expect(source).toContain("isAdmin?: boolean");
    expect(source).toContain('<SecurityCenter v-if="props.isAdmin"');
    expect(source).toContain('<PermissionAccessLogs ref="accessLogsRef" />');
    expect(source).not.toContain(':show-security-log="props.isAdmin"');
  });

  it("uses a full-height source-analysis tab without forcing scroll on other tabs", () => {
    const source = readFileSync(resolve(__dirname, "./PermissionMonitoring.vue"), "utf8");

    expect(source).toContain(":class=\"{ 'is-source-tab': activeTab === 'ip-locations' }\"");
    expect(source).toContain('class="ip-locations-pane"');
    expect(source).toContain(".permission-monitoring.is-source-tab .soybean-monitoring-tabs :deep(.el-tabs__content)");
    expect(source).toContain("overflow: hidden");
    expect(source).toContain(".soybean-monitoring-tabs :deep(.el-tabs__content)");
    expect(source).toContain("flex: 1 1 0;");
    expect(source).toContain("height: auto;");
    expect(source).toContain("overflow-y: auto;");
    expect(source).toContain('height: auto;\n  min-height: 100%;');
    expect(source).toContain('.permission-monitoring.is-source-tab .soybean-monitoring-tabs :deep(.el-tab-pane[aria-hidden="false"])');
    expect(source).toContain("flex: 0 0 52px;");
    expect(source).toContain("overscroll-behavior: contain;");
  });

  it("resizes the source-analysis chart when its tab becomes active", () => {
    const source = readFileSync(resolve(__dirname, "./PermissionMonitoring.vue"), "utf8");

    expect(source).toContain("onUnmounted");
    expect(source).toContain("type IpLocationsExpose");
    expect(source).toContain("resize: () => void | Promise<void>");
    expect(source).toContain('if (tab === "ip-locations")');
    expect(source).toContain("await nextTick()");
    expect(source).toContain("await ipLocationsRef.value?.resize()");
  });

  it("uses system monitoring tab names and operation-oriented overview copy", () => {
    const source = readFileSync(resolve(__dirname, "./PermissionMonitoring.vue"), "utf8");

    expect(source).toContain('label="运行概览"');
    expect(source).toContain('label="安全中心"');
    expect(source).toContain('label="运行趋势"');
    expect(source).toContain('label="访问日志"');
    expect(source).toContain('label="来源分析"');
    expect(source).toContain('label="运行趋势" name="trends" lazy');
    expect(source).toContain('@drilldown="openTrendDrilldown"');
    expect(source).toContain('accessLogsRef.value?.applyTrendFilter(payload)');
    expect(source).toContain('label="访问日志" name="logs" lazy');
    expect(source).toContain('label="来源分析" name="ip-locations" lazy');
    expect(source).toContain('<SecurityCenter v-if="props.isAdmin"');
    expect(source).toContain('name="security"');
    expect(source).toContain('label: "今日监测事件"');
    expect(source).toContain('label: "每分钟事件"');
    expect(source).toContain('label: "今日通过率"');
    expect(source).toContain('class="metric-strip"');
    expect(source).toContain('class="metric-strip-detail"');
    expect(source).toContain('detail: `历史 ${statsSummary.value.total_logs.toLocaleString()}`');
    expect(source).toContain("运行指标");
    expect(source).toContain('const formatResponseTime');
    expect(source).toContain('return "<0.1ms"');
    expect(source).toContain("业务样本不足");
    expect(source).not.toContain("组件在线不代表指标已完成评估");
    expect(source).not.toContain("评分由性能、拒绝率、缓存、告警和组件状态共同计算");
    expect(source).not.toContain("最近一次检查未发现需要处理的问题");
    expect(source).toContain('class="health-summary-label">综合状态');
    expect(source).toContain('class="health-signal-item"');
    expect(source).toContain('item.deduction ? `-${item.deduction}` : "正常"');
    expect(source).toContain('class="overview-pane"');
    expect(source).toContain('class="overview-hero-card"');
    expect(source).toContain('class="operations-card"');
    expect(source).toContain('class="operations-grid"');
    expect(source).toContain('class="alerts-section"');
    expect(source).toContain("grid-template-columns: minmax(210px, 0.85fr)");
    expect(source).toContain('class="status-section runtime-section"');
    expect(source).toContain('class="empty-alert-state"');
    expect(source).toContain('const hasCacheSamples = computed');
    expect(source).toContain("异常拒绝排行");
    expect(source).toContain("告警数据加载失败，不能据此判断系统正常");
    expect(source).toContain("const formatUpdatedTime");
    expect(source).toContain("更新 {{ formatUpdatedTime(lastUpdatedAt) }}");
    expect(source).toContain("runtimeComponentItems");

    expect(source).not.toContain('label="实时概览"');
    expect(source).not.toContain('label="趋势分析"');
    expect(source).not.toContain('label="访问审计"');
    expect(source).not.toContain('label="IP属地"');
    expect(source).not.toContain('label: "今日总检查"');
    expect(source).not.toContain('label: "每分钟请求"');
    expect(source).not.toContain('label: "今日允许率"');
    expect(source).not.toContain('label: "历史总记录"');
    expect(source).not.toContain('label: "历史事件总数"');
    expect(source).not.toContain('class="summary-card"');
    expect(source).not.toContain('class="overview-toolbar"');
    expect(source).not.toContain("被拒绝最多的权限");
    expect(source).not.toContain("暂无告警，系统运行正常");
  });
});