/**
 * Team Store Tests
 *
 * Tests for multi-agent team collaboration state management.
 */

import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { useTeamStore } from '../../src/store/teamStore';
import type { Team, TeamMember, TeamTask, CreateTeamRequest, AddTeamTaskRequest, TeamMemberRole } from '../../src/types/team';
import { localStorageMock } from '../../tests/setup';

// Mock fetch globally
const mockFetch = vi.fn();
const originalFetch = global.fetch;

describe('teamStore', () => {
  beforeEach(() => {
    global.fetch = mockFetch;
    mockFetch.mockClear();
    localStorageMock.clear();
  });

  afterEach(() => {
    global.fetch = originalFetch;
    mockFetch.mockReset();
  });

  describe('Initial State', () => {
    it('should have correct initial state', () => {
      const store = useTeamStore.getState();
      expect(store.teams).toEqual([]);
      expect(store.activeTeam).toBeNull();
      expect(store.metrics).toBeNull();
      expect(store.isLoading).toBe(false);
      expect(store.error).toBeNull();
      expect(store.selectedTaskId).toBeNull();
      expect(store.selectedMemberId).toBeNull();
      expect(store.recentEvents).toEqual([]);
    });
  });

  describe('loadTeams', () => {
    it('should load teams from localStorage', async () => {
      const mockTeams: Team[] = [
        {
          id: 'team-1',
          name: 'Test Team',
          members: [],
          tasks: [],
          pattern: 'sequential',
          activeLoops: [],
          status: 'active',
          createdAt: '2024-01-01T00:00:00Z',
          updatedAt: '2024-01-01T00:00:00Z',
        },
      ];
      localStorageMock.setItem('zclaw-teams', JSON.stringify(mockTeams));
      await useTeamStore.getState().loadTeams();
      const store = useTeamStore.getState();
      expect(store.teams).toEqual(mockTeams);
      expect(store.isLoading).toBe(false);
    });
  });

  describe('createTeam', () => {
    it('should create a new team with members', async () => {
      const request: CreateTeamRequest = {
        name: 'Dev Team',
        description: 'Development team',
        memberAgents: [
          { agentId: 'agent-1', role: 'developer' },
          { agentId: 'agent-2', role: 'reviewer' },
        ],
        pattern: 'review_loop',
      };
      const team = await useTeamStore.getState().createTeam(request);
      expect(team).not.toBeNull();
      expect(team.name).toBe('Dev Team');
      expect(team.description).toBe('Development team');
      expect(team.pattern).toBe('review_loop');
      expect(team.members).toHaveLength(2);
      expect(team.status).toBe('active');
      const store = useTeamStore.getState();
      expect(store.teams).toHaveLength(1);
      expect(store.activeTeam?.id).toBe(team.id);
      // Check localStorage was updated
      const stored = localStorageMock.getItem('zclaw-teams');
      expect(stored).toBeDefined();
      const parsed = JSON.parse(stored!);
      expect(parsed).toHaveLength(1);
    });
  });

  describe('deleteTeam', () => {
    it('should delete a team', async () => {
      // First create a team
      const request: CreateTeamRequest = {
        name: 'Team to Delete',
        memberAgents: [],
        pattern: 'sequential',
      };
      await useTeamStore.getState().createTeam(request);
      // Then delete it
      const result = await useTeamStore.getState().deleteTeam('team-to-delete-id');
      expect(result).toBe(true);
      const store = useTeamStore.getState();
      expect(store.teams.find(t => t.id === 'team-to-delete-id')).toBeUndefined();
    });
  });

  describe('setActiveTeam', () => {
    it('should set active team and () => {
      const team: Team = {
        id: 'team-1',
        name: 'Test Team',
        members: [],
        tasks: [],
        pattern: 'sequential',
        activeLoops: [],
        status: 'active',
        createdAt: '2024-01-01T00:00:00Z',
      };
      useTeamStore.getState().setActiveTeam(team);
      const store = useTeamStore.getState();
      expect(store.activeTeam).toEqual(team);
      expect(store.metrics).not.toBeNull();
    });
  });

  describe('addMember', () => {
    let team: Team;
    beforeEach(async () => {
      const request: CreateTeamRequest = {
        name: 'Test Team',
        memberAgents: [],
        pattern: 'sequential',
      };
      team = (await useTeamStore.getState().createTeam(request))!;
    });
    it('should add a member to team', async () => {
      const member = await useTeamStore.getState().addMember(team.id, 'agent-1', 'developer');
      expect(member).not.toBeNull();
      expect(member.agentId).toBe('agent-1');
      expect(member.role).toBe('developer');
      const store = useTeamStore.getState();
      const updatedTeam = store.teams.find(t => t.id === team.id);
      expect(updatedTeam?.members).toHaveLength(1);
    });
  });

  describe('removeMember', () => {
    let team: Team;
    let memberId: string;
    beforeEach(async () => {
      const request: CreateTeamRequest = {
        name: 'Test Team',
        memberAgents: [{ agentId: 'agent-1', role: 'developer' }],
        pattern: 'sequential',
      };
      team = (await useTeamStore.getState().createTeam(request))!;
      memberId = team.members[0].id;
    });
    it('should remove a member from team', async () => {
      const result = await useTeamStore.getState().removeMember(team.id, memberId);
      expect(result).toBe(true);
      const store = useTeamStore.getState();
      const updatedTeam = store.teams.find(t => t.id === team.id);
      expect(updatedTeam?.members).toHaveLength(0);
    });
  });

  describe('addTask', () => {
    let team: Team;
    beforeEach(async () => {
      const request: CreateTeamRequest = {
        name: 'Test Team',
        memberAgents: [],
        pattern: 'sequential',
      };
      team = (await useTeamStore.getState().createTeam(request))!;
    });
    it('should add a task to team', async () => {
      const taskRequest: AddTeamTaskRequest = {
        teamId: team.id,
        title: 'Test Task',
        description: 'Test task description',
        priority: 'high',
        type: 'implementation',
      };
      const task = await useTeamStore.getState().addTask(taskRequest);
      expect(task).not.toBeNull();
      expect(task.title).toBe('Test Task');
      expect(task.status).toBe('pending');
      const store = useTeamStore.getState();
      const updatedTeam = store.teams.find(t => t.id === team.id);
      expect(updatedTeam?.tasks).toHaveLength(1);
    });
  });

  describe('updateTaskStatus', () => {
    let team: Team;
    let taskId: string;
    beforeEach(async () => {
      const teamRequest: CreateTeamRequest = {
        name: 'Test Team',
        memberAgents: [],
        pattern: 'sequential',
      };
      team = (await useTeamStore.getState().createTeam(teamRequest))!;
      const taskRequest: AddTeamTaskRequest = {
        teamId: team.id,
        title: 'Test Task',
        priority: 'medium',
        type: 'implementation',
      };
      const task = await useTeamStore.getState().addTask(taskRequest);
      taskId = task!.id;
    });
    it('should update task status to in_progress', async () => {
      const result = await useTeamStore.getState().updateTaskStatus(team.id, taskId, 'in_progress');
      expect(result).toBe(true);
      const store = useTeamStore.getState();
      const updatedTeam = store.teams.find(t => t.id === team.id);
      const updatedTask = updatedTeam?.tasks.find(t => t.id === taskId);
      expect(updatedTask?.status).toBe('in_progress');
      expect(updatedTask?.startedAt).toBeDefined();
    });
  });

  describe('startDevQALoop', () => {
    let team: Team;
    let taskId: string;
    let memberId: string;
    beforeEach(async () => {
      const teamRequest: CreateTeamRequest = {
        name: 'Test Team',
        memberAgents: [
          { agentId: 'dev-agent', role: 'developer' },
          { agentId: 'qa-agent', role: 'reviewer' },
        ],
        pattern: 'review_loop',
      };
      team = (await useTeamStore.getState().createTeam(teamRequest))!;
      const taskRequest: AddTeamTaskRequest = {
        teamId: team.id,
        title: 'Test Task',
        priority: 'high',
        type: 'implementation',
        assigneeId: team.members[0].id,
      };
      const task = await useTeamStore.getState().addTask(taskRequest);
      taskId = task!.id;
      memberId = team.members[0].id;
    });
    it('should start a Dev-QA loop', async () => {
      const loop = await useTeamStore.getState().startDevQALoop(
        team.id,
        taskId,
        team.members[0].id,
        team.members[1].id
      );
      expect(loop).not.toBeNull();
      expect(loop.state).toBe('developing');
      expect(loop.developerId).toBe(team.members[0].id);
      expect(loop.reviewerId).toBe(team.members[1].id);
      const store = useTeamStore.getState();
      const updatedTeam = store.teams.find(t => t.id === team.id);
      expect(updatedTeam?.activeLoops).toHaveLength(1);
    });
  });

  describe('submitReview', () => {
    let team: Team;
    let loop: any;
    beforeEach(async () => {
      const teamRequest: CreateTeamRequest = {
        name: 'Test Team',
        memberAgents: [
          { agentId: 'dev-agent', role: 'developer' },
          { agentId: 'qa-agent', role: 'reviewer' },
        ],
        pattern: 'review_loop',
      };
      team = (await useTeamStore.getState().createTeam(teamRequest))!;
      const taskRequest: AddTeamTaskRequest = {
        teamId: team.id,
        title: 'Test Task',
        priority: 'high',
        type: 'implementation',
        assigneeId: team.members[0].id,
      };
      const task = await useTeamStore.getState().addTask(taskRequest);
      loop = await useTeamStore.getState().startDevQALoop(
        team.id,
        task!.id,
        team.members[0].id,
        team.members[1].id
      );
    });
    it('should submit review and async () => {
      const feedback = {
        verdict: 'approved',
        comments: ['Good work!'],
        issues: [],
      };
      const result = await useTeamStore.getState().submitReview(team.id, loop.id, feedback);
      expect(result).toBe(true);
      const store = useTeamStore.getState();
      const updatedTeam = store.teams.find(t => t.id === team.id);
      const updatedLoop = updatedTeam?.activeLoops.find(l => l.id === loop.id);
      expect(updatedLoop?.state).toBe('approved');
    });
  });

  describe('addEvent', () => {
    it('should add event to recent events', () => {
      const event = {
        type: 'task_completed',
        teamId: 'team-1',
        sourceAgentId: 'agent-1',
        payload: { taskId: 'task-1' },
        timestamp: new Date().toISOString(),
      };
      useTeamStore.getState().addEvent(event);
      const store = useTeamStore.getState();
      expect(store.recentEvents).toHaveLength(1);
      expect(store.recentEvents[0]).toEqual(event);
    });
  });

  describe('clearEvents', () => {
    it('should clear all events', () => {
      const event = {
        type: 'task_completed',
        teamId: 'team-1',
        sourceAgentId: 'agent-1',
        payload: {},
        timestamp: new Date().toISOString(),
      };
      useTeamStore.getState().addEvent(event);
      useTeamStore.getState().clearEvents();
      const store = useTeamStore.getState();
      expect(store.recentEvents).toHaveLength(0);
    });
  });

  describe('UI Actions', () => {
    it('should set selected task', () => {
      useTeamStore.getState().setSelectedTask('task-1');
      expect(useTeamStore.getState().selectedTaskId).toBe('task-1');
    });
    it('should set selected member', () => {
      useTeamStore.getState().setSelectedMember('member-1');
      expect(useTeamStore.getState().selectedMemberId).toBe('member-1');
    });
    it('should clear error', () => {
      useTeamStore.setState({ error: 'Test error' });
      useTeamStore.getState().clearError();
      expect(useTeamStore.getState().error).toBeNull();
    });
  });
});