import { getPayload, Payload } from "payload";
import config from "@/payload.config";
import { afterAll, beforeAll, describe, expect, it, vi, type MockInstance } from "vitest";
import type { ArmaCommand, SupplyBox, User } from "@/payload-types";
import { queueCrateCommand } from "@/app/(frontend)/logistics/supply-boxes/actions";

// Mock next/headers so the action's authenticate() can run outside a request.
vi.mock("next/headers", () => ({
  headers: async () => new Headers(),
}));

let payload: Payload;
let authSpy: MockInstance;

const RUN = `sbx-${Date.now().toString(36)}`;

// ---------------------------------------------------------------------------
// Fixture tracking for cleanup
// ---------------------------------------------------------------------------
const userIds: number[] = [];
const roleIds: number[] = [];
const syncEventIds: number[] = [];
const boxIds: number[] = [];
const commandIds: number[] = [];
let serverId: number;

let commandUser: User;
let plainUser: User;

// ---------------------------------------------------------------------------
// Helpers
// ---------------------------------------------------------------------------
async function makeUser(label: string, roleDocIds?: number[]): Promise<User> {
  const user = (await payload.create({
    collection: "users",
    data: {
      username: `${RUN}-${label}`,
      discordUsername: `${RUN}-${label}-discord`,
      displayName: `${RUN} ${label}`,
      steamId: `${RUN}-steam-${label}`,
      password: "Test1234",
      roles: ["user"],
      ...(roleDocIds && roleDocIds.length > 0 ? { roleDocs: roleDocIds } : {}),
    },
    overrideAccess: true,
    depth: 0,
  })) as unknown as User;
  userIds.push(user.id);
  return user;
}

// Creates a supply box directly (the crate-sync handler is covered by
// supply-box-sync.int.spec.ts) with a real arma-sync-events row as the
// required sourceEvent provenance anchor.
async function makeBox(boxId: string): Promise<SupplyBox> {
  const raw = await payload.create({
    collection: "arma-sync-events",
    data: {
      eventId: `${RUN}-evt-${boxId}`,
      server: serverId,
      type: "fixture",
      occurredAt: new Date().toISOString(),
      payload: [],
    },
    overrideAccess: true,
    depth: 0,
  });
  syncEventIds.push(raw.id);
  const box = (await payload.create({
    collection: "supply-boxes",
    data: {
      boxId,
      sessionId: RUN,
      server: serverId,
      boxClass: "Box_NATO_Wps_F",
      displayName: "Ammo Crate",
      location: { x: 100, y: 200, z: 0 },
      contents: [{ class: "Item_1", count: 10 }],
      lastSyncedAt: new Date().toISOString(),
      status: "active",
      sourceEvent: raw.id,
    },
    overrideAccess: true,
    depth: 0,
  })) as unknown as SupplyBox;
  boxIds.push(box.id);
  return box;
}

async function findCommand(commandId: string): Promise<ArmaCommand | null> {
  const found = await payload.find({
    collection: "arma-commands",
    where: { commandId: { equals: commandId } },
    limit: 1,
    depth: 0,
    overrideAccess: true,
  });
  return (found.docs[0] as ArmaCommand | undefined) ?? null;
}

// ---------------------------------------------------------------------------
// Setup / teardown
// ---------------------------------------------------------------------------
beforeAll(async () => {
  const payloadConfig = await config;
  payload = await getPayload({ config: payloadConfig });
  authSpy = vi.spyOn(payload, "auth");

  const superRole = await payload.create({
    collection: "roles",
    data: { name: `${RUN} Command`, slug: `${RUN}-command`, isSuperuser: true },
    overrideAccess: true,
    depth: 0,
  });
  roleIds.push(superRole.id);

  commandUser = await makeUser("command", [superRole.id]);
  plainUser = await makeUser("plain");

  const server = await payload.create({
    collection: "game-servers",
    data: { serverId: `${RUN}-srv`, name: `${RUN} Server`, status: "online" },
    overrideAccess: true,
    depth: 0,
  });
  serverId = server.id;
});

afterAll(async () => {
  if (!payload) return;
  for (const id of commandIds) {
    await payload.delete({ collection: "arma-commands", id, overrideAccess: true }).catch(() => {});
  }
  for (const id of boxIds) {
    await payload.delete({ collection: "supply-boxes", id, overrideAccess: true }).catch(() => {});
  }
  for (const id of syncEventIds) {
    await payload.delete({ collection: "arma-sync-events", id, overrideAccess: true }).catch(() => {});
  }
  for (const id of userIds) {
    await payload.delete({ collection: "users", id, overrideAccess: true }).catch(() => {});
  }
  for (const id of roleIds) {
    await payload.delete({ collection: "roles", id, overrideAccess: true }).catch(() => {});
  }
  if (serverId) {
    await payload.delete({ collection: "game-servers", id: serverId, overrideAccess: true }).catch(() => {});
  }
});

// ---------------------------------------------------------------------------
// Tests
// ---------------------------------------------------------------------------
describe("supply box crate command actions", () => {
  describe("queueCrateCommand", () => {
    it("queues a crate.apply command with the contract payload for a qualified user", async () => {
      authSpy.mockResolvedValue({ user: commandUser });
      const box = await makeBox(`box:${RUN}:apply`);

      const result = await queueCrateCommand(box.boxId, "apply", [
        [
          ["Item_1", 10],
          ["Item_2", 5],
        ],
      ]);

      expect(result.success).toBe(true);
      expect(result.data?.status).toBe("queued");
      expect(result.data?.commandId).toMatch(/^crate-[0-9a-f]{24}$/);

      const cmd = await findCommand(result.data!.commandId);
      expect(cmd).not.toBeNull();
      expect(cmd?.type).toBe("crate.apply");
      expect(cmd?.server).toBe(serverId);
      expect(cmd?.status).toBe("queued");
      expect(cmd?.payload).toEqual([
        box.boxId,
        [
          ["Item_1", 10],
          ["Item_2", 5],
        ],
      ]);
      commandIds.push(cmd!.id);
    });

    it("rejects a user without the logistics qualification with a forbidden error", async () => {
      authSpy.mockResolvedValue({ user: plainUser });
      const box = await makeBox(`box:${RUN}:forbidden`);

      const result = await queueCrateCommand(box.boxId, "despawn", []);

      expect(result.success).toBe(false);
      expect(result.error).toContain("forbidden");
    });

    it("maps an unknown box id to a not-found error", async () => {
      authSpy.mockResolvedValue({ user: commandUser });

      const result = await queueCrateCommand(`box:${RUN}:missing`, "despawn", []);

      expect(result.success).toBe(false);
      expect(result.error).toContain("not found");
    });

    it("mints a unique command id per queue", async () => {
      authSpy.mockResolvedValue({ user: commandUser });
      const box = await makeBox(`box:${RUN}:unique`);

      const first = await queueCrateCommand(box.boxId, "despawn", []);
      const second = await queueCrateCommand(box.boxId, "despawn", []);

      expect(first.success).toBe(true);
      expect(second.success).toBe(true);
      expect(first.data?.commandId).not.toBe(second.data?.commandId);

      const firstCmd = await findCommand(first.data!.commandId);
      const secondCmd = await findCommand(second.data!.commandId);
      expect(firstCmd).not.toBeNull();
      expect(secondCmd).not.toBeNull();
      expect(firstCmd?.id).not.toBe(secondCmd?.id);
      expect(firstCmd?.payload).toEqual([box.boxId]);
      expect(secondCmd?.payload).toEqual([box.boxId]);
      commandIds.push(firstCmd!.id, secondCmd!.id);
    });
  });
});