import { Injectable } from '@nestjs/common';
import { UserMessageDto } from 'src/chatbot/dtos/user-message.dto';
import { HttpService } from '@nestjs/axios';
import { firstValueFrom } from 'rxjs';
import { PageContextDto } from 'src/chatbot/dtos/page-context.dto';
import { UserDto } from 'src/identity-and-account/users-management/user.dto';
import { Message } from 'src/chatbot/dtos/dialog-message.dto';

@Injectable()
export class ChatbotService {
    constructor(private readonly httpService: HttpService) { }
    sessionId: string;

    async pingExternalApi(body: UserMessageDto): Promise<Message> {
        const response = await firstValueFrom(
            this.httpService.post(
                'https://n8nai.targo.ca/webhook/984c578e-59c7-4ca1-97f8-e225fd2acf01',
                { userInput: body.userInput, userId: this.sessionId },
            ),
        );

        console.log('chatbot response: ', response);

        const cleanText =
            Array.isArray(response.data) && response.data[0]?.output
                ? response.data[0].output
                : JSON.stringify(response);

        return {
            text: cleanText,
            sent: false,
        };
    }

    async sendPageContext(body: PageContextDto) {
        const response = await firstValueFrom(
            this.httpService.post(
                'https://n8nai.targo.ca/webhook/984c578e-59c7-4ca1-97f8-e225fd2acf01',
                { features: body, userId: this.sessionId, userInput: '' },
            ),
        );
        return response.data;
    }

    // Will have to modify later on to accomodate newer versions of User Auth/User type Structure
    async sendUserContext(user_email: string) {
        if (!this.sessionId) {
            this.sessionId = 'SessionId = ' + user_email;
        }

        const response = await firstValueFrom(
            this.httpService.post(
                'https://n8nai.targo.ca/webhook/984c578e-59c7-4ca1-97f8-e225fd2acf01',
                {
                    userId: this.sessionId,
                    userInput: '',
                    features: '',
                },
                { headers: { 'Content-Tyoe': 'application/json' } },
            ),
        );
        return response.data;
    }
}