import { describe, expect, it } from 'vitest';

import {
  beginResourceCanvasResourceEditSubmission,
  type PendingLocalProjectResourceEdit,
  pendingResourceEditKindLabel,
  resourceCanvasResourceEditPhaseLabel,
  type ResourceCanvasResourceEditSubmission,
  resourceCanvasResourceEditSubmissionBlocksResource,
  resourceCanvasResourceEditTaskElapsedMillis,
  resourceCanvasResourceEditTaskIsTerminal,
  resourceCanvasResourceEditTasks,
  resourceCanvasResourceEditTaskStatusFromPhase,
  settleResourceCanvasResourceEditSubmission,
} from '../src/features/resource-canvas/resourceCanvasResourceEditTaskModel';

function pendingEdit(
  overrides: Partial<PendingLocalProjectResourceEdit> = {},
): PendingLocalProjectResourceEdit {
  return {
    operationId: 'op-1',
    editKind: 'image-reference',
    sourceResourceId: 'asset:source-art',
    assetName: 'source-art-编辑版',
    backgroundMode: null,
    screenColor: null,
    phase: 'accepted',
    createdAt: 1_700_000_000_000,
    ...overrides,
  };
}

function liveSubmission(
  overrides: Partial<ResourceCanvasResourceEditSubmission> = {},
): ResourceCanvasResourceEditSubmission {
  return {
    operationId: 'op-1',
    prompt: '把嘴改小一点',
    assetName: 'source-art-编辑版',
    actionLabel: '快速编辑',
    resourcePath: 'assets/source-art.png',
    createdAtMillis: 1_700_000_000_000,
    status: 'running',
    error: null,
    assetId: null,
    finishedAtMillis: null,
    ...overrides,
  };
}

describe('资源派生任务：阶段映射', () => {
  it('按原生账本阶段给出面板状态', () => {
    expect(resourceCanvasResourceEditTaskStatusFromPhase('prepared')).toBe(
      'queued',
    );
    expect(resourceCanvasResourceEditTaskStatusFromPhase('accepted')).toBe(
      'running',
    );
    expect(
      resourceCanvasResourceEditTaskStatusFromPhase('remote-completed'),
    ).toBe('running');
    expect(
      resourceCanvasResourceEditTaskStatusFromPhase('media-downloaded'),
    ).toBe('running');
    expect(resourceCanvasResourceEditTaskStatusFromPhase('committed')).toBe(
      'completed',
    );
    expect(resourceCanvasResourceEditTaskStatusFromPhase('archived')).toBe(
      'completed',
    );
    expect(resourceCanvasResourceEditTaskStatusFromPhase('remote-failed')).toBe(
      'failed',
    );
    expect(
      resourceCanvasResourceEditTaskStatusFromPhase('reconciliation-required'),
    ).toBe('failed');
  });

  it('阶段文案与恢复入口同源，未知阶段原样透出', () => {
    expect(resourceCanvasResourceEditPhaseLabel('remote-completed')).toBe(
      '远程已完成',
    );
    expect(resourceCanvasResourceEditPhaseLabel('committed')).toBe(
      '已写入项目',
    );
    // 前端还没跟上的新档：给出阶段名，便于排障时一眼认出。
    expect(resourceCanvasResourceEditPhaseLabel('pending-review')).toBe(
      'pending-review',
    );
  });

  it('入口文案覆盖派生链路的几种 kind', () => {
    expect(pendingResourceEditKindLabel(pendingEdit())).toBe('快速编辑');
    expect(
      pendingResourceEditKindLabel(
        pendingEdit({ editKind: 'character-animation' }),
      ),
    ).toBe('生成动画');
    expect(
      pendingResourceEditKindLabel(
        pendingEdit({ editKind: 'background-music' }),
      ),
    ).toBe('生成背景音乐');
    expect(
      pendingResourceEditKindLabel(
        pendingEdit({
          editKind: 'background-removal',
          backgroundMode: 'flat',
          screenColor: 'auto',
        }),
      ),
    ).toBe('图片抠图 · 平面背景 · 自动背景色');
  });
});

describe('资源派生任务：本地提交记录', () => {
  it('同一 operationId 只留一条，收口后按结果改写', () => {
    const begun = beginResourceCanvasResourceEditSubmission([], {
      operationId: 'op-1',
      assetName: 'source-art-编辑版',
      actionLabel: '快速编辑',
      prompt: '把嘴改小一点',
      resourcePath: 'assets/source-art.png',
      createdAtMillis: 1_700_000_000_000,
    });
    expect(begun).toHaveLength(1);
    expect(begun[0]?.status).toBe('running');

    const rebegun = beginResourceCanvasResourceEditSubmission(begun, {
      operationId: 'op-1',
      assetName: 'source-art-编辑版',
      actionLabel: '快速编辑',
      prompt: '把嘴改小一点',
      resourcePath: 'assets/source-art.png',
      createdAtMillis: 1_700_000_001_000,
    });
    expect(rebegun).toHaveLength(1);

    const settled = settleResourceCanvasResourceEditSubmission(
      rebegun,
      'op-1',
      {
        status: 'completed',
        assetId: 'edit-1',
        finishedAtMillis: 1_700_000_120_000,
      },
    );
    expect(settled[0]).toMatchObject({
      status: 'completed',
      assetId: 'edit-1',
      error: null,
    });
  });

  it('失败收口带原因，未完成草稿的提交门随之放行', () => {
    const live = beginResourceCanvasResourceEditSubmission([], {
      operationId: 'op-1',
      assetName: 'source-art-编辑版',
      actionLabel: '快速编辑',
      prompt: '把嘴改小一点',
      resourcePath: 'assets/source-art.png',
      createdAtMillis: 1_700_000_000_000,
    });
    expect(
      resourceCanvasResourceEditSubmissionBlocksResource(
        live,
        'assets/source-art.png',
      ),
    ).toBe(true);
    // 别的素材不受影响，其它入口（没有草稿键）也不受这条判据牵制。
    expect(
      resourceCanvasResourceEditSubmissionBlocksResource(
        live,
        'assets/other.png',
      ),
    ).toBe(false);

    const failed = settleResourceCanvasResourceEditSubmission(live, 'op-1', {
      status: 'failed',
      error: '登录已失效，请重新登录',
      finishedAtMillis: 1_700_000_090_000,
    });
    expect(
      resourceCanvasResourceEditSubmissionBlocksResource(
        failed,
        'assets/source-art.png',
      ),
    ).toBe(false);
  });
});

describe('资源派生任务：两套账本合并', () => {
  it('在途期间以后端阶段为准，收口后以本地结果为准', () => {
    const submissions = [liveSubmission()];
    const inFlight = resourceCanvasResourceEditTasks({
      submissions,
      pendingEdits: [pendingEdit({ phase: 'media-downloaded' })],
    });
    expect(inFlight).toHaveLength(1);
    expect(inFlight[0]).toMatchObject({
      operationId: 'op-1',
      status: 'running',
      phaseDetail: '结果已下载',
      prompt: '把嘴改小一点',
      restored: false,
    });

    const settled = resourceCanvasResourceEditTasks({
      submissions: settleResourceCanvasResourceEditSubmission(
        submissions,
        'op-1',
        {
          status: 'completed',
          assetId: 'edit-1',
          finishedAtMillis: 1_700_000_120_000,
        },
      ),
      pendingEdits: [],
    });
    expect(settled[0]).toMatchObject({
      status: 'completed',
      phaseDetail: '已产出新素材',
      assetId: 'edit-1',
    });
    expect(resourceCanvasResourceEditTaskIsTerminal(settled[0]!)).toBe(true);
  });

  it('原生有、本地没有的记录恢复成一条待办，但不占用已完成分栏', () => {
    const tasks = resourceCanvasResourceEditTasks({
      submissions: [],
      pendingEdits: [
        pendingEdit({ operationId: 'op-9', phase: 'remote-failed' }),
      ],
    });
    expect(tasks).toHaveLength(1);
    expect(tasks[0]).toMatchObject({
      operationId: 'op-9',
      status: 'failed',
      restored: true,
      actionLabel: '快速编辑',
    });
    expect(tasks[0]?.error).toContain('远程明确失败');
    // 恢复记录没有结束时间：不拿创建时间冒充耗时。
    expect(
      resourceCanvasResourceEditTaskElapsedMillis(tasks[0]!, 1_700_000_500_000),
    ).toBeNull();
  });

  it('后端读回非数组时不炸，只按本地提交记录渲染', () => {
    const tasks = resourceCanvasResourceEditTasks({
      submissions: [liveSubmission()],
      pendingEdits: undefined,
    });
    expect(tasks).toHaveLength(1);
    expect(tasks[0]?.phaseDetail).toBe('已提交，等待远端受理');
  });

  it('新提交的排在前面', () => {
    const tasks = resourceCanvasResourceEditTasks({
      submissions: [
        liveSubmission({
          operationId: 'op-new',
          createdAtMillis: 1_700_000_200_000,
        }),
      ],
      pendingEdits: [
        pendingEdit({ operationId: 'op-old', createdAt: 1_700_000_000_000 }),
      ],
    });
    expect(tasks.map((task) => task.operationId)).toEqual(['op-new', 'op-old']);
  });
});