import network from "@ledgerhq/live-network";
import BigNumber from "bignumber.js";
import { getMockResponse } from "../test/fixtures/network.fixture";
import { hgraphClient } from "./hgraph";

jest.mock("@ledgerhq/live-network");
const mockedNetwork = jest.mocked(network);
const getRequestData = (callIndex = 0) =>
  (mockedNetwork.mock.calls[callIndex][0] as { data: { query: string; variables: any } }).data;

describe("getLatestIndexedConsensusTimestamp", () => {
  beforeEach(() => {
    jest.resetAllMocks();
  });

  it("should fetch and return the latest indexed consensus timestamp", async () => {
    const mockTimestamp = "1234567890123456789";
    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        data: {
          ethereum_transaction: [{ consensus_timestamp: mockTimestamp }],
        },
      }),
    );

    const result = await hgraphClient.getLatestIndexedConsensusTimestamp();

    expect(mockedNetwork).toHaveBeenCalledTimes(1);
    expect(result).toEqual(new BigNumber(mockTimestamp));
  });

  it("should throw error when API returns errors", async () => {
    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        errors: [{ message: "Database error" }],
      }),
    );

    await expect(hgraphClient.getLatestIndexedConsensusTimestamp()).rejects.toThrow();
  });

  it("should throw error when no transactions found", async () => {
    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        data: {
          ethereum_transaction: [],
        },
      }),
    );

    await expect(hgraphClient.getLatestIndexedConsensusTimestamp()).rejects.toThrow();
  });
});

describe("getERC20Balances", () => {
  beforeEach(() => {
    jest.resetAllMocks();
  });

  it("should fetch and return ERC20 balances for an account", async () => {
    const mockAddress = "0.0.1234";
    const mockBalances = [
      {
        token_id: "0.0.5001",
        balance: "1000000",
        balance_timestamp: "1234567890.123456789",
        created_timestamp: "1234567800.000000000",
      },
      {
        token_id: "0.0.5002",
        balance: "2000000",
        balance_timestamp: "1234567890.123456789",
        created_timestamp: "1234567800.000000000",
      },
    ];

    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        data: {
          erc_token_account: mockBalances,
        },
      }),
    );

    const result = await hgraphClient.getERC20Balances({ address: mockAddress });

    const queryVariables = getRequestData(0).variables;
    expect(mockedNetwork).toHaveBeenCalledTimes(1);
    expect(queryVariables.accountId).toBe("1234");
    expect(result).toEqual(mockBalances);
  });

  it("should extract account ID correctly from address", async () => {
    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        data: {
          erc_token_account: [],
        },
      }),
    );

    await hgraphClient.getERC20Balances({ address: "0.0.9999" });

    expect(getRequestData(0).variables.accountId).toBe("9999");
  });

  it("should throw error when API returns errors", async () => {
    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        errors: [{ message: "Account not found" }],
      }),
    );

    await expect(hgraphClient.getERC20Balances({ address: "0.0.1234" })).rejects.toThrow();
  });
});

describe("getERC20Transfers", () => {
  beforeEach(() => {
    jest.resetAllMocks();
  });

  it("should return empty array when no token addresses provided", async () => {
    const result = await hgraphClient.getERC20Transfers({
      address: "0.0.1234",
      tokenEvmAddresses: [],
      fetchAllPages: true,
    });

    expect(mockedNetwork).not.toHaveBeenCalled();
    expect(result).toEqual([]);
  });

  it("should fetch transfers with default parameters", async () => {
    const mockTransfer = {
      token_id: "0.0.5001",
      token_evm_address: "0xabc123",
      sender_evm_address: "0x111",
      sender_account_id: "0.0.1234",
      receiver_evm_address: "0x222",
      receiver_account_id: "0.0.5678",
      payer_account_id: "0.0.1234",
      amount: "1000",
      transfer_type: "transfer",
      consensus_timestamp: "1234567890123456789",
      transaction_hash: "0xhash1",
    };

    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        data: {
          erc_token_transfer: [mockTransfer],
        },
      }),
    );

    const result = await hgraphClient.getERC20Transfers({
      address: mockTransfer.payer_account_id,
      tokenEvmAddresses: [mockTransfer.token_evm_address],
      fetchAllPages: true,
    });

    const queryVariables = getRequestData(0).variables;
    expect(mockedNetwork).toHaveBeenCalledTimes(1);
    expect(result).toEqual([mockTransfer]);
    expect(queryVariables.accountId).toBe("1234");
    expect(queryVariables.limit).toBe(100);
  });

  it("should keep fetching all pages when fetchAllPages is true", async () => {
    const mockTransfers1 = [
      { consensus_timestamp: "1000000000000000000", transaction_hash: "0xhash1" },
    ];
    const mockTransfers2 = [
      { consensus_timestamp: "2000000000000000000", transaction_hash: "0xhash2" },
    ];
    const mockTransfers3 = [
      { consensus_timestamp: "3000000000000000000", transaction_hash: "0xhash3" },
    ];

    mockedNetwork
      .mockResolvedValueOnce(
        getMockResponse({
          data: { erc_token_transfer: mockTransfers1 },
        }),
      )
      .mockResolvedValueOnce(
        getMockResponse({
          data: { erc_token_transfer: mockTransfers2 },
        }),
      )
      .mockResolvedValueOnce(
        getMockResponse({
          data: { erc_token_transfer: mockTransfers3 },
        }),
      )
      .mockResolvedValueOnce(
        getMockResponse({
          data: { erc_token_transfer: [] },
        }),
      );

    const result = await hgraphClient.getERC20Transfers({
      address: "0.0.1234",
      tokenEvmAddresses: ["0xabc123"],
      limit: 1,
      fetchAllPages: true,
    });

    expect(mockedNetwork).toHaveBeenCalledTimes(4);
    expect(result.map(t => t.consensus_timestamp)).toEqual([
      "1000000000000000000",
      "2000000000000000000",
      "3000000000000000000",
    ]);
  });

  it("should paginate when fetchAllPages is false", async () => {
    const mockTransfers1 = [
      { consensus_timestamp: "1000000000000000000", transaction_hash: "0xhash1" },
      { consensus_timestamp: "1100000000000000000", transaction_hash: "0xhash1a" },
    ];
    const mockTransfers2 = [
      { consensus_timestamp: "2000000000000000000", transaction_hash: "0xhash2" },
      { consensus_timestamp: "2100000000000000000", transaction_hash: "0xhash2a" },
    ];

    mockedNetwork
      .mockResolvedValueOnce(
        getMockResponse({
          data: { erc_token_transfer: mockTransfers1 },
        }),
      )
      .mockResolvedValueOnce(
        getMockResponse({
          data: { erc_token_transfer: mockTransfers2 },
        }),
      );

    const result = await hgraphClient.getERC20Transfers({
      address: "0.0.1234",
      tokenEvmAddresses: ["0xabc123"],
      limit: 2,
      fetchAllPages: false,
    });

    expect(mockedNetwork).toHaveBeenCalledTimes(1);
    expect(result.map(t => t.consensus_timestamp)).toEqual([
      "1000000000000000000",
      "1100000000000000000",
    ]);
  });

  it("should handle timestamp parameter correctly", async () => {
    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        data: { erc_token_transfer: [] },
      }),
    );

    await hgraphClient.getERC20Transfers({
      address: "0.0.1234",
      tokenEvmAddresses: ["0xabc123"],
      timestamp: "1234567890.123456789",
      fetchAllPages: true,
    });

    const query = getRequestData(0).query;
    const queryVariables = getRequestData(0).variables;
    expect(query).toContain("consensus_timestamp: { _gt: $cursor }");
    expect(queryVariables.cursor).toBe("1234567890123456789");
  });

  it("should use correct pagination direction for desc order", async () => {
    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        data: { erc_token_transfer: [] },
      }),
    );

    await hgraphClient.getERC20Transfers({
      address: "0.0.1234",
      tokenEvmAddresses: ["0xabc123"],
      order: "desc",
      fetchAllPages: false,
    });

    const query = getRequestData(0).query;
    expect(query).toContain("order_by: { consensus_timestamp: desc }");
  });

  it("should throw error when API returns errors", async () => {
    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        errors: [{ message: "Query failed" }],
      }),
    );

    await expect(
      hgraphClient.getERC20Transfers({
        address: "0.0.1234",
        tokenEvmAddresses: ["0xabc123"],
        fetchAllPages: true,
      }),
    ).rejects.toThrow();
  });
});

describe("getERC20TransfersByTimestampRange", () => {
  beforeEach(() => {
    jest.resetAllMocks();
  });

  it("should fetch transfers within timestamp range", async () => {
    const mockTransfers = [
      {
        token_id: "0.0.5001",
        consensus_timestamp: "1500000000000000000",
        transaction_hash: "0xhash1",
      },
    ];

    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        data: { erc_token_transfer: mockTransfers },
      }),
    );

    const result = await hgraphClient.getERC20TransfersByTimestampRange({
      startTimestamp: "1000.000000000",
      endTimestamp: "2000.000000000",
    });

    const queryVariables = getRequestData(0).variables;
    expect(mockedNetwork).toHaveBeenCalledTimes(1);
    expect(result).toEqual(mockTransfers);
    expect(queryVariables.startTimestamp).toBe("1000000000000");
    expect(queryVariables.endTimestamp).toBe("2000000000000");
  });

  it("should normalize timestamps by removing dots", async () => {
    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        data: { erc_token_transfer: [] },
      }),
    );

    await hgraphClient.getERC20TransfersByTimestampRange({
      startTimestamp: "1234.567890123",
      endTimestamp: "5678.901234567",
    });

    const queryVariables = getRequestData(0).variables;
    expect(queryVariables.startTimestamp).toBe("1234567890123");
    expect(queryVariables.endTimestamp).toBe("5678901234567");
  });

  it("should fetch all pages until no more results", async () => {
    mockedNetwork
      .mockResolvedValueOnce(
        getMockResponse({
          data: {
            erc_token_transfer: [
              { consensus_timestamp: "1100000000000000000", transaction_hash: "0xhash1" },
            ],
          },
        }),
      )
      .mockResolvedValueOnce(
        getMockResponse({
          data: {
            erc_token_transfer: [
              { consensus_timestamp: "1200000000000000000", transaction_hash: "0xhash2" },
            ],
          },
        }),
      )
      .mockResolvedValueOnce(
        getMockResponse({
          data: { erc_token_transfer: [] },
        }),
      );

    const result = await hgraphClient.getERC20TransfersByTimestampRange({
      startTimestamp: "1000.000000000",
      endTimestamp: "2000.000000000",
      limit: 1,
    });

    expect(mockedNetwork).toHaveBeenCalledTimes(3);
    expect(result.map(t => t.consensus_timestamp)).toEqual([
      "1100000000000000000",
      "1200000000000000000",
    ]);
  });

  it("should use cursor for subsequent pages", async () => {
    mockedNetwork
      .mockResolvedValueOnce(
        getMockResponse({
          data: {
            erc_token_transfer: [
              { consensus_timestamp: "1100000000000000000", transaction_hash: "0xhash1" },
            ],
          },
        }),
      )
      .mockResolvedValueOnce(
        getMockResponse({
          data: { erc_token_transfer: [] },
        }),
      );

    await hgraphClient.getERC20TransfersByTimestampRange({
      startTimestamp: "1000.000000000",
      endTimestamp: "2000.000000000",
      limit: 1,
    });

    const firstCall = mockedNetwork.mock.calls[0][0] as {
      data: { query: string; variables: Record<string, unknown> };
    };
    const secondCall = mockedNetwork.mock.calls[1][0] as {
      data: { query: string; variables: Record<string, unknown> };
    };

    // First call should use _gte with startTimestamp
    expect(firstCall.data.query).toContain("_gte: $startTimestamp");
    expect(firstCall.data.variables).not.toHaveProperty("cursor");
    // Second call should use _gt with cursor
    expect(secondCall.data.query).toContain("_gt: $cursor");
    expect(secondCall.data.variables.cursor).toBe("1100000000000000000");
  });

  it("should support custom order parameter", async () => {
    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        data: { erc_token_transfer: [] },
      }),
    );

    await hgraphClient.getERC20TransfersByTimestampRange({
      startTimestamp: "1000.000000000",
      endTimestamp: "2000.000000000",
      order: "asc",
    });

    const query = getRequestData(0).query;
    expect(query).toContain("order_by: { consensus_timestamp: asc }");
  });

  it("should throw error when API returns errors", async () => {
    mockedNetwork.mockResolvedValueOnce(
      getMockResponse({
        errors: [{ message: "Invalid timestamp range" }],
      }),
    );

    await expect(
      hgraphClient.getERC20TransfersByTimestampRange({
        startTimestamp: "1000.000000000",
        endTimestamp: "2000.000000000",
      }),
    ).rejects.toThrow();
  });
});