import { DocumentType } from "../../documents/DocumentTypes";
import { IRecommendation } from "./components";

export interface IDocRequest {
    id: string,
    title: string,
    text: string,
    type: string
}

export const fetchRecommendations = async (src: string, query: string, docs?: IDocRequest[], dummy?: boolean) => {
    console.log("[rec] making request")
    if (dummy) {
        return {
            "recommendations": dummyRecs,
            "keywords": dummyKeywords,
            "num_recommendations": 4,
            "max_x": 100,
            "max_y": 100,
            "min_x": 0,
            "min_y": 0

        };
    }
    const response = await fetch('http://127.0.0.1:8000/recommend', {
        method: 'POST',
        headers: {
            'Accept': 'application/json',
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({ 
            "src": src,
            "query": query,
            "docs": docs
        })
    })
    const data = await response.json();
    
    return data;
}

export const fetchKeywords = async (text: string, n: number, dummy?: boolean) => {
    console.log("[fetchKeywords]")
    if (dummy) {
        return {
            "keywords": dummyKeywords
        };
    }
    const response = await fetch('http://127.0.0.1:8000/keywords', {
        method: 'POST',
        headers: {
            'Accept': 'application/json',
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({ 
            "text": text,
            "n": n
        })
    })
    const data = await response.json()
    return data;
}

export const getType = (type: DocumentType | string) => {
    switch(type) {
        case DocumentType.AUDIO:
            return "Audio"
        case DocumentType.VID:
            return "Video"
        case DocumentType.PDF:
            return "PDF"
        case DocumentType.WEB:
            return "Webpage"
        case "YouTube":
            return "Video"
        case "HTML":
            return "Webpage"
        default:
            return "Unknown: " + type
    }
}

const dummyRecs = {
    "a": {
        title: 'Vannevar Bush - American Engineer',
        previewUrl: 'https://cdn.britannica.com/98/23598-004-1E6A382E/Vannevar-Bush-Differential-Analyzer-1935.jpg', 
        type: 'web',
        distance: 2.3,
        source: 'www.britannica.com',
        related_concepts: ['vannevar bush', 'knowledge'],
        embedding: {
            x: 0,
            y: 0
        }
    },
    "b": {
        title: "From Memex to hypertext: Vannevar Bush and the mind's machine",
        type: 'pdf',
        distance: 5.4,
        source: 'Google Scholar',
        related_concepts: ['memex', 'vannevar bush', 'hypertext'],
    },
    "c": {
        title: 'How the hyperlink changed everything | Small Thing Big Idea, a TED series',
        previewUrl: 'https://pi.tedcdn.com/r/talkstar-photos.s3.amazonaws.com/uploads/b17d043f-2642-4117-a913-52204505513f/MargaretGouldStewart_2018V-embed.jpg?u%5Br%5D=2&u%5Bs%5D=0.5&u%5Ba%5D=0.8&u%5Bt%5D=0.03&quality=82w=640', 
        type: 'youtube',
        distance: 5.3,
        source: 'www.youtube.com',
        related_concepts: ['User Control', 'Explanations']
    },
    "d": {
        title: 'Recommender Systems: Behind the Scenes of Machine Learning-Based Personalization',
        previewUrl: 'https://sloanreview.mit.edu/wp-content/uploads/2018/10/MAG-Ransbotham-Ratings-Recommendations-1200X627-1200x627.jpg', 
        type: 'pdf',
        distance: 9.3,
        source: 'www.altexsoft.com',
        related_concepts: ['User Control', 'Explanations']
    }
}

const dummyKeywords = ['user control', 'vannevar bush', 'hypermedia', 'hypertext']