/**
 * 回收站集成测试(真实 Postgres,ADR-0031;最近打开已由 ADR-0032 移除)。
 * 覆盖:bin 列出(祖先全活跃顶点/直连 MANAGE 可见性/管理员)、restore 对称语义
 * 与审计、purge 仅管理员 + 整支硬删(RESTRICT 顺序)。
 * 运行前提:本地 PG(paradigm:paradigm@127.0.0.1:5432/cph_hub_test)且已 migrate。
 */
import { beforeEach, describe, expect, it } from "vitest";
import { prisma, resetDb, DEFAULT_ORG_ID } from "./helpers.js";
import {
  createNode,
  softDeleteNode,
  listChildren,
  type FileLibActor,
  type TreeServiceDeps,
} from "../../src/database/filelib/treeService.js";
import { listBin, purgeBinEntry, restoreBinEntry, type BinDeps } from "../../src/database/filelib/binService.js";
import { createStaticGroupResolver } from "../../src/database/filelib/groupResolver.js";
import { createInMemoryVersionStore } from "../../src/database/filelib/versionStore.js";
import { FILE_LIB_AUDIT_ACTIONS } from "../../src/database/filelib/audit.js";

const ADMIN: FileLibActor = { userId: "u_admin", isWebsiteAdmin: true };
const ALICE: FileLibActor = { userId: "u_alice", isWebsiteAdmin: false };
const BOB: FileLibActor = { userId: "u_bob", isWebsiteAdmin: false };

function treeDeps(): TreeServiceDeps {
  return {
    prisma,
    groupResolver: createStaticGroupResolver({ u_bob: ["g_physics"] }),
    versionStore: createInMemoryVersionStore(),
    organizationId: DEFAULT_ORG_ID,
    storageRoot: "/tmp/filelib-test",
  };
}

function binDeps(): BinDeps {
  return {
    prisma,
    organizationId: DEFAULT_ORG_ID,
    groupResolver: createStaticGroupResolver({ u_bob: ["g_physics"] }),
  };
}

beforeEach(async () => {
  await resetDb();
  for (const [id, openId] of [["u_admin", "ou_admin"], ["u_alice", "ou_alice"], ["u_bob", "ou_bob"]] as const) {
    await prisma.user.create({ data: { id, feishuOpenId: openId, displayName: id } });
  }
});

describe("binService · 列出与可见性", () => {
  it("只露每支已删子树的顶;管理员全见,直连 MANAGE 可见,无关者不见", async () => {
    const root = await createNode(treeDeps(), ADMIN, { parentId: null, kind: "FOLDER", name: "物理" });
    const child = await createNode(treeDeps(), ADMIN, { parentId: root.id, kind: "FOLDER", name: "必修一" });
    await createNode(treeDeps(), ADMIN, { parentId: child.id, kind: "PROJECT", name: "TH-141" });
    // alice 在 child 上直连 MANAGE。
    const own = await createNode(treeDeps(), ADMIN, {
      parentId: null, kind: "PROJECT", name: "alice 项目",
      grants: [{ principalType: "USER", principalId: "u_alice", role: "MANAGE" }],
    });

    await softDeleteNode(treeDeps(), ADMIN, child.id); // 删中间层:child 是顶,孙项目不单列
    await softDeleteNode(treeDeps(), ADMIN, own.id);

    const adminBin = await listBin(binDeps(), ADMIN);
    expect(adminBin.map((e) => e.name).sort()).toEqual(["alice 项目", "必修一"]);

    const aliceBin = await listBin(binDeps(), ALICE);
    expect(aliceBin.map((e) => e.name)).toEqual(["alice 项目"]); // 只见自己 MANAGE 的

    const bobBin = await listBin(binDeps(), BOB);
    expect(bobBin).toEqual([]);

    void root;
  });
});

describe("binService · 恢复", () => {
  it("restore 只清本节点:整支立即可见,落 folder.restore 审计;无权者 404", async () => {
    const root = await createNode(treeDeps(), ADMIN, { parentId: null, kind: "FOLDER", name: "物理" });
    const child = await createNode(treeDeps(), ADMIN, { parentId: root.id, kind: "FOLDER", name: "必修一" });
    await softDeleteNode(treeDeps(), ADMIN, child.id);

    await expect(restoreBinEntry(binDeps(), BOB, child.id)).rejects.toMatchObject({ statusCode: 404 });
    await restoreBinEntry(binDeps(), ADMIN, child.id);

    const visible = await listChildren(treeDeps(), ADMIN, root.id);
    expect(visible.map((c) => c.name)).toContain("必修一");

    const audits = await prisma.auditEntry.findMany({
      where: { action: FILE_LIB_AUDIT_ACTIONS.folderRestore },
    });
    expect(audits).toHaveLength(1);
  });

  it("ADR-0033:与活跃兄弟撞名时恢复为「(已恢复)」,不死锁;审计记 renamedFrom", async () => {
    const root = await createNode(treeDeps(), ADMIN, { parentId: null, kind: "FOLDER", name: "物理" });
    const child = await createNode(treeDeps(), ADMIN, { parentId: root.id, kind: "FOLDER", name: "必修一" });
    await softDeleteNode(treeDeps(), ADMIN, child.id);
    // 删除后同名新建 → 活跃兄弟占了名字
    await createNode(treeDeps(), ADMIN, { parentId: root.id, kind: "FOLDER", name: "必修一" });

    const result = await restoreBinEntry(binDeps(), ADMIN, child.id);
    expect(result.renamedFrom).toBe("必修一");
    expect(result.name).toBe("必修一(已恢复)");

    const visible = await listChildren(treeDeps(), ADMIN, root.id);
    expect(visible.map((c) => c.name).sort()).toEqual(["必修一", "必修一(已恢复)"]);

    // 再删再恢复:名字已是去重后的「(已恢复)」,不再冲突 → 保持,不二次改名
    await softDeleteNode(treeDeps(), ADMIN, child.id);
    const second = await restoreBinEntry(binDeps(), ADMIN, child.id);
    expect(second.name).toBe("必修一(已恢复)");
    expect(second.renamedFrom).toBeUndefined();

    const audits = await prisma.auditEntry.findMany({
      where: { action: FILE_LIB_AUDIT_ACTIONS.folderRestore },
    });
    expect(audits).toHaveLength(2);
  });
});

describe("binService · 彻底删除", () => {
  it("ADR-0034:与条目可见性同权 —— 直连 MANAGE 可清空,无关者 404;整支硬删 + node.purge 审计", async () => {
    const root = await createNode(treeDeps(), ADMIN, { parentId: null, kind: "FOLDER", name: "物理" });
    const child = await createNode(treeDeps(), ADMIN, {
      parentId: root.id, kind: "PROJECT", name: "TH-141",
      grants: [{ principalType: "USER", principalId: "u_alice", role: "MANAGE" }],
    });
    await softDeleteNode(treeDeps(), ADMIN, root.id); // 连根删:root 是顶;alice 在 root 上无直连 MANAGE

    await expect(purgeBinEntry(binDeps(), BOB, root.id)).rejects.toMatchObject({ statusCode: 404 });
    const { removed } = await purgeBinEntry(binDeps(), ADMIN, root.id);
    expect(removed).toBe(2);

    expect(await prisma.fileLibNode.count({ where: { id: { in: [root.id, child.id] } } })).toBe(0);
    expect(await prisma.fileLibGrant.count({ where: { nodeId: child.id } })).toBe(0);

    const audits = await prisma.auditEntry.findMany({ where: { action: FILE_LIB_AUDIT_ACTIONS.nodePurge } });
    expect(audits).toHaveLength(1);
  });

  it("ADR-0034:非管理员的直连 MANAGE 持有者也能彻底删除", async () => {
    const own = await createNode(treeDeps(), ADMIN, {
      parentId: null, kind: "PROJECT", name: "alice 项目",
      grants: [{ principalType: "USER", principalId: "u_alice", role: "MANAGE" }],
    });
    await softDeleteNode(treeDeps(), ADMIN, own.id);

    const { removed } = await purgeBinEntry(binDeps(), ALICE, own.id);
    expect(removed).toBe(1);
    expect(await prisma.fileLibNode.count({ where: { id: own.id } })).toBe(0);
  });
});