import { fireEvent, render, screen, within } from "@testing-library/react"
import { beforeEach, describe, expect, it, vi } from "vitest"

import type { SelectionResults } from "../api/selection.types"

import { SelectionResultsPage } from "./selection-results-page"

const routerNavigate = vi.hoisted(() => vi.fn())
const useSelectionResults = vi.fn()
const useSelectionRun = vi.fn()
const useTriggerSelectionRun = vi.fn()
const mutate = vi.fn()
const reset = vi.fn()

vi.mock("@/features/selection/api/selection.query", () => ({
  useSelectionResults: (...args: unknown[]) => useSelectionResults(...args),
  useSelectionRun: (...args: unknown[]) => useSelectionRun(...args),
  useTriggerSelectionRun: () => useTriggerSelectionRun(),
}))

vi.mock("@tanstack/react-router", () => ({
  useNavigate: () => routerNavigate,
  useSearch: () => ({ page: 1, pageSize: 5, search: "", category: "all" }),
}))

const selectedResult: SelectionResults = {
  created_at: "2026-08-08T09:00:00+08:00",
  coverage: 1,
  eligible_count: 2,
  evaluated_count: 2,
  error_message: null,
  error_type: null,
  failed_count: 0,
  failures: [],
  finished_at: "2026-08-08T09:02:00+08:00",
  market_sync_batch_id: "market-run-1",
  page: 1,
  page_size: 5,
  run_id: "run-1",
  selected_stock_count: 1,
  signal_count: 2,
  signals_total: 2,
  signals: [
    {
      category: "zhixing_b1_original_b1",
      close: 10.5,
      details: { j: 12, rsi: 20 },
      name: "平安银行",
      strategy: "zhixing_b1",
      target_trade_date: "2026-08-08",
      ts_code: "000001.SZ",
    },
    {
      category: "zhixing_b1_pullback_white",
      close: 10.5,
      details: { j: 12 },
      name: "平安银行",
      strategy: "zhixing_b1",
      target_trade_date: "2026-08-08",
      ts_code: "000001.SZ",
    },
  ],
  status: "success",
  strategy: "zhixing_b1",
  target_count: 2,
  target_trade_date: "2026-08-08",
}

describe("SelectionResultsPage", () => {
  beforeEach(() => {
    useSelectionResults.mockReturnValue({
      data: selectedResult,
      isError: false,
      isPending: false,
    })
    useSelectionRun.mockReturnValue({
      data: undefined,
      isError: false,
      isPending: false,
    })
    useTriggerSelectionRun.mockReturnValue({
      isError: false,
      isPending: false,
      mutate,
      reset,
    })
    mutate.mockReset()
    reset.mockReset()
    routerNavigate.mockReset()
  })

  it("renders persisted results and keeps multiple categories visible", () => {
    render(<SelectionResultsPage />)

    expect(screen.getByText("执行完成")).toBeInTheDocument()
    const table = screen.getByRole("table")
    expect(table).toBeInTheDocument()
    expect(within(table).getByText("原始 B1")).toBeInTheDocument()
    expect(within(table).getByText("回踩白线 B")).toBeInTheDocument()
    expect(within(table).getAllByText("平安银行")).toHaveLength(2)
  })

  it("filters signals, updates the detail panel, and expands mobile details", () => {
    const extraSignal = {
      ...selectedResult.signals[0],
      category: "zhixing_b1_oversold_volume",
      details: { macd: 3.2 },
      name: "招商银行",
      ts_code: "600036.SH",
    }
    useSelectionResults.mockReturnValue({
      data: {
        ...selectedResult,
        signal_count: 3,
        signals: [...selectedResult.signals, extraSignal],
      },
      isError: false,
      isPending: false,
    })

    render(<SelectionResultsPage />)

    fireEvent.change(screen.getByLabelText("搜索命中信号"), {
      target: { value: "招商" },
    })
    const table = screen.getByRole("table")
    expect(within(table).getByText("招商银行")).toBeInTheDocument()
    fireEvent.click(within(table).getByText("招商银行"))
    expect(
      within(
        screen.getByRole("complementary", { name: "当前股票详情" }),
      ).getByText("招商银行"),
    ).toBeInTheDocument()

    const expandButton = screen.getAllByRole("button", { name: "查看详情" })[0]
    fireEvent.click(expandButton)
    expect(expandButton).toHaveAttribute("aria-expanded", "true")
    expect(screen.getAllByText("macd: 3.2").length).toBeGreaterThan(1)
  })

  it("navigates to another page when the result list is paginated", () => {
    const signals = Array.from({ length: 6 }, (_, index) => ({
      ...selectedResult.signals[0],
      name: `股票${index + 1}`,
      ts_code: `00000${index + 1}.SZ`,
    }))
    useSelectionResults.mockReturnValue({
      data: {
        ...selectedResult,
        signal_count: signals.length,
        signals,
        signals_total: signals.length,
      },
      isError: false,
      isPending: false,
    })

    render(<SelectionResultsPage />)

    expect(screen.getByText("第 1–5 条，共 6 条")).toBeInTheDocument()
    fireEvent.click(screen.getByRole("button", { name: "第 2 页" }))
    expect(routerNavigate).toHaveBeenCalled()
  })

  it("requires confirmation before a rerun and does not trigger on cancel", () => {
    render(<SelectionResultsPage />)

    fireEvent.click(screen.getByRole("button", { name: "重新执行" }))
    const dialog = screen.getByRole("dialog", { name: "确认重新执行策略？" })
    expect(within(dialog).getByText(/清空 2026-08-08/)).toBeInTheDocument()

    fireEvent.click(within(dialog).getByRole("button", { name: "取消" }))
    expect(screen.queryByRole("dialog")).not.toBeInTheDocument()
    expect(mutate).not.toHaveBeenCalled()

    fireEvent.click(screen.getByRole("button", { name: "重新执行" }))
    fireEvent.click(
      within(
        screen.getByRole("dialog", { name: "确认重新执行策略？" }),
      ).getByRole("button", { name: "确认重新执行" }),
    )
    expect(mutate).toHaveBeenCalledWith(
      {
        request: {
          rerun: true,
          strategy: "zhixing_b1",
          target_trade_date: "2026-08-08",
        },
      },
      expect.any(Object),
    )
  })

  it("uses the same confirmation flow for a failed retry", () => {
    useSelectionResults.mockReturnValue({
      data: {
        ...selectedResult,
        failed_count: 1,
        failures: [
          {
            name: "平安银行",
            reason: "目标日数据读取失败",
            status: "data_error",
            ts_code: "000001.SZ",
          },
        ],
        selected_stock_count: 0,
        signal_count: 0,
        signals: [],
        status: "failed",
      },
      isError: false,
      isPending: false,
    })

    render(<SelectionResultsPage />)

    fireEvent.click(screen.getByRole("button", { name: "重试执行" }))
    expect(
      screen.getByRole("dialog", { name: "确认重新执行策略？" }),
    ).toBeInTheDocument()
  })

  it("renders a no-data state and triggers an initial run after date selection", () => {
    useSelectionResults.mockReturnValue({
      data: {
        ...selectedResult,
        run_id: null,
        signals: [],
        status: "no_data",
        target_trade_date: null,
      },
      isError: false,
      isPending: false,
    })

    render(<SelectionResultsPage />)

    expect(screen.getByText("暂无策略结果")).toBeInTheDocument()
    fireEvent.change(screen.getByLabelText("目标交易日"), {
      target: { value: "2026-08-08" },
    })
    fireEvent.click(screen.getByRole("button", { name: "执行策略" }))

    expect(mutate).toHaveBeenCalledWith(
      {
        request: {
          rerun: false,
          strategy: "zhixing_b1",
          target_trade_date: "2026-08-08",
        },
      },
      expect.any(Object),
    )
  })

  it("continues polling a persisted running run after page reload", () => {
    useSelectionResults.mockReturnValue({
      data: { ...selectedResult, signals: [], status: "running" },
      isError: false,
      isPending: false,
    })
    useSelectionRun.mockReturnValue({
      data: { ...selectedResult, signals: [], status: "running" },
      isError: false,
      isPending: false,
    })

    render(<SelectionResultsPage />)

    expect(screen.getByText("策略执行中")).toBeInTheDocument()
    expect(screen.getByRole("button", { name: "执行中" })).toBeDisabled()
    expect(useSelectionRun).toHaveBeenCalledWith("run-1", {
      page: 1,
      pageSize: 5,
    })
  })

  it("renders query failures explicitly", () => {
    useSelectionResults.mockReturnValue({
      data: undefined,
      isError: true,
      isPending: false,
    })

    render(<SelectionResultsPage />)

    expect(screen.getByText("结果查询失败")).toBeInTheDocument()
  })
})