import axios from "axios";
import sinon from "sinon";
import { Config } from "@digitalbits-blockchain/xdb-digitalbits-sdk";
import { getApprovalServerUrl } from "./getApprovalServerUrl";

describe("getApprovalServerUrl", () => {
  let axiosMock: sinon.SinonMock;

  beforeEach(() => {
    axiosMock = sinon.mock(axios);
    Config.setDefault();
  });

  afterEach(() => {
    axiosMock.verify();
    axiosMock.restore();
  });

  test("Issuer's Home Domain missing", async () => {
    try {
      // @ts-ignore
      const res = await getApprovalServerUrl({
        asset_code: "USD",
        asset_issuer: "GDBMMVJKWGT2N6HZ2BGMFHKODASVFYIHL2VS3RUTB3B3QES2R6YFXGQW"
      });
      expect("This test failed").toBe(null);
    } catch (e: any) {
      expect(e.toString()).toMatch(`Error: Issuer's home domain is missing`);
    }
  });

  test("digitalbits.toml CURRENCIES missing", async () => {
    const homeDomain = "example.com";
    axiosMock
      .expects("get")
      .withArgs(
        sinon.match(`https://${homeDomain}/.well-known/digitalbits.toml`)
      )
      .returns(
        Promise.resolve({
          data: ""
        })
      );

    try {
      // @ts-ignore
      const res = await getApprovalServerUrl({
        asset_code: "USD",
        asset_issuer:
          "GDBMMVJKWGT2N6HZ2BGMFHKODASVFYIHL2VS3RUTB3B3QES2R6YFXGQW",
        home_domain: homeDomain
      });
      expect("This test failed").toBe(null);
    } catch (e: any) {
      expect(e.toString()).toMatch(
        `Error: digitalbits.toml at ${homeDomain} does not contain CURRENCIES` +
          ` field`
      );
    }
  });

  test("digitalbits.toml approval_server missing", async () => {
    const homeDomain = "example.com";
    axiosMock
      .expects("get")
      .withArgs(
        sinon.match(`https://${homeDomain}/.well-known/digitalbits.toml`)
      )
      .returns(
        Promise.resolve({
          data: `
[[CURRENCIES]]
code = "USD"
issuer = "GDBMMVJKWGT2N6HZ2BGMFHKODASVFYIHL2VS3RUTB3B3QES2R6YFXGQW"
`
        })
      );

    try {
      // @ts-ignore
      const res = await getApprovalServerUrl({
        asset_code: "USD",
        asset_issuer:
          "GDBMMVJKWGT2N6HZ2BGMFHKODASVFYIHL2VS3RUTB3B3QES2R6YFXGQW",
        home_domain: homeDomain
      });
      expect("This test failed").toBe(null);
    } catch (e: any) {
      expect(e.toString()).toMatch(
        `Error: digitalbits.toml at ${homeDomain} does not contain` +
          ` approval_server information for this asset`
      );
    }
  });

  test("digitalbits.toml asset not found", async () => {
    const homeDomain = "example.com";
    axiosMock
      .expects("get")
      .withArgs(
        sinon.match(`https://${homeDomain}/.well-known/digitalbits.toml`)
      )
      .returns(
        Promise.resolve({
          data: `
[[CURRENCIES]]
code = "USD"
issuer = "GDBMMVJKWGT2N6HZ2BGMFHKODASVFYIHL2VS3RUTB3B3QES2R6YFXGQW"
`
        })
      );

    try {
      // @ts-ignore
      const res = await getApprovalServerUrl({
        asset_code: "EUR",
        asset_issuer:
          "GDBMMVJKWGT2N6HZ2BGMFHKODASVFYIHL2VS3RUTB3B3QES2R6YFXGQW",
        home_domain: homeDomain
      });
      expect("This test failed").toBe(null);
    } catch (e: any) {
      expect(e.toString()).toMatch(
        `Error: CURRENCY EUR:` +
          `GDBMMVJKWGT2N6HZ2BGMFHKODASVFYIHL2VS3RUTB3B3QES2R6YFXGQW` +
          ` not found on digitalbits.toml at ${homeDomain}`
      );
    }
  });

  test("approval server URL is returned", async () => {
    const homeDomain = "example.com";
    axiosMock
      .expects("get")
      .withArgs(
        sinon.match(`https://${homeDomain}/.well-known/digitalbits.toml`)
      )
      .returns(
        Promise.resolve({
          data: `
[[CURRENCIES]]
code = "USD"
issuer = "GDBMMVJKWGT2N6HZ2BGMFHKODASVFYIHL2VS3RUTB3B3QES2R6YFXGQW"
approval_server = "https://example.com/approve"
`
        })
      );

    try {
      const res = await getApprovalServerUrl({
        asset_code: "USD",
        asset_issuer:
          "GDBMMVJKWGT2N6HZ2BGMFHKODASVFYIHL2VS3RUTB3B3QES2R6YFXGQW",
        home_domain: homeDomain
      });
      expect(res).toEqual("https://example.com/approve");
    } catch (e: any) {
      expect(e).toBe(null);
    }
  });
});