import { describe, it, expect, beforeAll, afterEach, vi } from "vitest";
import config from "@payload-config";
import { getPayload, type Payload } from "payload";
import type { Map as MapDoc, Resource } from "@/payload-types";
import { checkResourcesInRange } from "@/lib/map/placement";
import { nodeIconOption } from "@/lib/map/nodeIcons";
import { saveMapNode } from "@/app/(frontend)/logistics/map/actions";

vi.mock("next/headers", () => ({
  headers: async () => new Headers(),
}));

describe("generic marker nodes (no resources)", () => {
  let payload: Payload;
  let map: MapDoc;
  let copper: Resource;
  let authSpy: ReturnType<typeof vi.spyOn>;
  let mapper: { id: number };

  beforeAll(async () => {
    payload = await getPayload({ config });

    map = (await payload.create({
      collection: "maps",
      data: {
        name: `Generic Node Map ${Date.now()}`,
        worldSizeWidth: 8192,
        worldSizeHeight: 8192,
        basemapMode: "tiles",
        tileUrlTemplate: "http://localhost/{z}/{x}/{y}.png",
        isActive: true,
        worldMap: false,
      },
      overrideAccess: true,
      depth: 0,
    })) as unknown as MapDoc;

    const mapperRole = (await payload.create({
      collection: "roles",
      data: {
        name: `Generic Node Mapper ${Date.now()}`,
        slug: `generic-mapper-${Date.now()}`,
        permissions: ["resource-nodes:author"],
      },
      overrideAccess: true,
      depth: 0,
    })) as unknown as { id: number };

    mapper = (await payload.create({
      collection: "users",
      data: {
        username: `generic-node-mapper-${Date.now()}`,
        discordUsername: `generic-node-mapper-${Date.now()}`,
        displayName: "Generic Node Mapper",
        steamId: `generic-node-${Date.now()}`,
        password: "generic-node-pass",
        roleDocs: [mapperRole.id],
      },
      overrideAccess: true,
      depth: 0,
    })) as unknown as { id: number };

    copper = (await payload.create({
      collection: "resources",
      data: {
        name: `Copper ${Date.now()}`,
        codeName: `generic_copper_${Date.now()}`,
        approvalStatus: "in_progress",
        type: "physical",
        baseValue: 1,
        rarity: "common",
        unitOfMeasure: "kg",
        massPerUnit: 1,
        gridWidth: 1,
        gridHeight: 1,
      },
      overrideAccess: true,
      depth: 0,
    })) as unknown as Resource;
  });

  it("persists a node with an empty resource list", async () => {
    const node = await payload.create({
      collection: "resource-nodes",
      data: {
        name: "Landmark marker",
        map: map.id,
        resources: [],
        position: [1000, 1000],
      },
      overrideAccess: true,
      depth: 0,
    });

    expect(node.resources ?? []).toEqual([]);
  });

  it("checkResourcesInRange never matches resource-less nodes", () => {
    const requirement = [{ resource: copper.id, range: 500 }];
    const genericNode = { id: 1, position: [1000, 1000] as [number, number], resources: [] };
    const realNode = { id: 2, position: [1200, 1000] as [number, number], resources: [copper.id] };

    const withGenericOnly = checkResourcesInRange([genericNode], requirement, [1100, 1000]);
    expect(withGenericOnly.allowed).toBe(false);

    const withRealNode = checkResourcesInRange([genericNode, realNode], requirement, [1100, 1000]);
    expect(withRealNode.allowed).toBe(true);
  });

  it("saveMapNode persists a chosen icon and rejects unknown ones", async () => {
    authSpy = vi.spyOn(payload, "auth").mockResolvedValue({
      user: mapper as never,
    } as never);

    try {
      const flagged = await saveMapNode({
        mapId: map.id,
        name: "Flag marker",
        resourceIds: [],
        position: [3000, 3000],
        icon: "flag",
      });
      expect(flagged.success).toBe(true);
      const flaggedNode = await payload.findByID({
        collection: "resource-nodes",
        id: (flagged.data as { id: number }).id,
        depth: 0,
        overrideAccess: true,
      });
      expect(flaggedNode.icon).toBe("flag");

      const rejected = await saveMapNode({
        mapId: map.id,
        name: "Evil marker",
        resourceIds: [],
        position: [3000, 3000],
        icon: "rocket",
      });
      expect(rejected.success).toBe(false);
      expect(rejected.error).toContain("icon");
    } finally {
      authSpy.mockRestore();
    }
  });

  it("nodeIconOption falls back to the default marker", () => {
    expect(nodeIconOption("flag").value).toBe("flag");
    expect(nodeIconOption("nonsense").value).toBe("marker");
    expect(nodeIconOption(null).value).toBe("marker");
  });

  it("saveMapNode accepts an empty resource list as a plain marker", async () => {
    authSpy = vi.spyOn(payload, "auth").mockResolvedValue({
      user: mapper as never,
    } as never);

    try {
      const result = await saveMapNode({
        mapId: map.id,
        name: "Authored marker",
        resourceIds: [],
        position: [2000, 2000],
        richness: 100,
      });

      expect(result.success).toBe(true);
      const created = await payload.findByID({
        collection: "resource-nodes",
        id: (result.data as { id: number }).id,
        depth: 0,
        overrideAccess: true,
      });
      expect(created.resources ?? []).toEqual([]);
    } finally {
      authSpy.mockRestore();
    }
  });
});