import { Controller, Get, Headers, HttpException, Logger } from '@nestjs/common';
import { PlatformGraphqlService } from '../platform/platform-graphql.service';
import { WorklistService } from './worklist.service';

@Controller('api/worklist')
export class WorklistController {
    private readonly logger = new Logger(WorklistController.name);

    constructor(
        private readonly worklist: WorklistService,
        private readonly platform: PlatformGraphqlService,
    ) {}

    @Get()
    async getWorklist(@Headers('authorization') authHeader: string) {
        if (!authHeader) {
            throw new HttpException('Authorization required', 401);
        }

        const agentName = await this.resolveAgentName(authHeader);
        this.logger.log(`Fetching worklist for agent: ${agentName}`);

        return this.worklist.getWorklist(agentName, authHeader);
    }

    private async resolveAgentName(authHeader: string): Promise<string> {
        try {
            const data = await this.platform.queryWithAuth<any>(
                `{ currentUser { workspaceMember { name { firstName lastName } } } }`,
                undefined,
                authHeader,
            );
            const name = data.currentUser?.workspaceMember?.name;
            const full = `${name?.firstName ?? ''} ${name?.lastName ?? ''}`.trim();
            if (full) return full;
        } catch (err) {
            this.logger.warn(`Failed to resolve agent name: ${err}`);
        }
        throw new HttpException('Could not determine agent identity', 400);
    }
}