import { UseGuards } from '@nestjs/common';
import { Args, ID, Query, ResolveField, Resolver } from '@nestjs/graphql';
import { GqlThrottlerGuard } from 'src/guards/gql-throttler.guard';
import { Infra } from './infra.model';
import { AdminService } from './admin.service';
import { GqlAuthGuard } from 'src/guards/gql-auth.guard';
import { GqlAdminGuard } from './guards/gql-admin.guard';
import { User } from 'src/user/user.model';
import { AuthUser } from 'src/types/AuthUser';
import { throwErr } from 'src/utils';
import * as E from 'fp-ts/Either';
import { Admin } from './admin.model';
import { PaginationArgs } from 'src/types/input-types.args';
import { InvitedUser } from './invited-user.model';
import { Team } from 'src/team/team.model';
import { TeamInvitation } from 'src/team-invitation/team-invitation.model';
import { GqlAdmin } from './decorators/gql-admin.decorator';

@UseGuards(GqlThrottlerGuard)
@Resolver(() => Infra)
export class InfraResolver {
  constructor(private adminService: AdminService) {}

  @Query(() => Infra, {
    description: 'Fetch details of the Infrastructure',
  })
  @UseGuards(GqlAuthGuard, GqlAdminGuard)
  infra(@GqlAdmin() admin: Admin) {
    const infra: Infra = { executedBy: admin };
    return infra;
  }

  @ResolveField(() => [User], {
    description: 'Returns a list of all admin users in infra',
  })
  @UseGuards(GqlAuthGuard, GqlAdminGuard)
  async admins() {
    const admins = await this.adminService.fetchAdmins();
    return admins;
  }

  @ResolveField(() => User, {
    description: 'Returns a user info by UID',
  })
  @UseGuards(GqlAuthGuard, GqlAdminGuard)
  async userInfo(
    @Args({
      name: 'userUid',
      type: () => ID,
      description: 'The user UID',
    })
    userUid: string,
  ): Promise<AuthUser> {
    const user = await this.adminService.fetchUserInfo(userUid);
    if (E.isLeft(user)) throwErr(user.left);
    return user.right;
  }

  @ResolveField(() => [User], {
    description: 'Returns a list of all the users in infra',
  })
  @UseGuards(GqlAuthGuard, GqlAdminGuard)
  async allUsers(@Args() args: PaginationArgs): Promise<AuthUser[]> {
    const users = await this.adminService.fetchUsers(args.cursor, args.take);
    return users;
  }

  @ResolveField(() => [InvitedUser], {
    description: 'Returns a list of all the invited users',
  })
  async invitedUsers(): Promise<InvitedUser[]> {
    const users = await this.adminService.fetchInvitedUsers();
    return users;
  }

  @ResolveField(() => [Team], {
    description: 'Returns a list of all the teams in the infra',
  })
  async allTeams(@Args() args: PaginationArgs): Promise<Team[]> {
    const teams = await this.adminService.fetchAllTeams(args.cursor, args.take);
    return teams;
  }

  @ResolveField(() => Team, {
    description: 'Returns a team info by ID when requested by Admin',
  })
  async teamInfo(
    @Args({
      name: 'teamID',
      type: () => ID,
      description: 'Team ID for which info to fetch',
    })
    teamID: string,
  ): Promise<Team> {
    const team = await this.adminService.getTeamInfo(teamID);
    if (E.isLeft(team)) throwErr(team.left);
    return team.right;
  }

  @ResolveField(() => Number, {
    description: 'Return count of all the members in a team',
  })
  async membersCountInTeam(
    @Args({
      name: 'teamID',
      type: () => ID,
      description: 'Team ID for which team members to fetch',
      nullable: false,
    })
    teamID: string,
  ): Promise<number> {
    const teamMembersCount = await this.adminService.membersCountInTeam(teamID);
    return teamMembersCount;
  }

  @ResolveField(() => Number, {
    description: 'Return count of all the stored collections in a team',
  })
  async collectionCountInTeam(
    @Args({
      name: 'teamID',
      type: () => ID,
      description: 'Team ID for which team members to fetch',
    })
    teamID: string,
  ): Promise<number> {
    const teamCollCount = await this.adminService.collectionCountInTeam(teamID);
    return teamCollCount;
  }

  @ResolveField(() => Number, {
    description: 'Return count of all the stored requests in a team',
  })
  async requestCountInTeam(
    @Args({
      name: 'teamID',
      type: () => ID,
      description: 'Team ID for which team members to fetch',
    })
    teamID: string,
  ): Promise<number> {
    const teamReqCount = await this.adminService.requestCountInTeam(teamID);
    return teamReqCount;
  }

  @ResolveField(() => Number, {
    description: 'Return count of all the stored environments in a team',
  })
  async environmentCountInTeam(
    @Args({
      name: 'teamID',
      type: () => ID,
      description: 'Team ID for which team members to fetch',
    })
    teamID: string,
  ): Promise<number> {
    const envsCount = await this.adminService.environmentCountInTeam(teamID);
    return envsCount;
  }

  @ResolveField(() => [TeamInvitation], {
    description: 'Return all the pending invitations in a team',
  })
  async pendingInvitationCountInTeam(
    @Args({
      name: 'teamID',
      type: () => ID,
      description: 'Team ID for which team members to fetch',
    })
    teamID: string,
  ) {
    const invitations = await this.adminService.pendingInvitationCountInTeam(
      teamID,
    );
    return invitations;
  }

  @ResolveField(() => Number, {
    description: 'Return total number of Users in organization',
  })
  async usersCount() {
    return this.adminService.getUsersCount();
  }

  @ResolveField(() => Number, {
    description: 'Return total number of Teams in organization',
  })
  async teamsCount() {
    return this.adminService.getTeamsCount();
  }

  @ResolveField(() => Number, {
    description: 'Return total number of Team Collections in organization',
  })
  async teamCollectionsCount() {
    return this.adminService.getTeamCollectionsCount();
  }

  @ResolveField(() => Number, {
    description: 'Return total number of Team Requests in organization',
  })
  async teamRequestsCount() {
    return this.adminService.getTeamRequestsCount();
  }
}