import { RAG_API_BASE_URL } from '$lib/constants';

export const uploadDocToVectorDB = async (token: string, collection_name: string, file: File) => {
	const data = new FormData();
	data.append('file', file);
	data.append('collection_name', collection_name);

	let error = null;

	const res = await fetch(`${RAG_API_BASE_URL}/doc`, {
		method: 'POST',
		headers: {
			Accept: 'application/json',
			authorization: `Bearer ${token}`
		},
		body: data
	})
		.then(async (res) => {
			if (!res.ok) throw await res.json();
			return res.json();
		})
		.catch((err) => {
			error = err.detail;
			console.log(err);
			return null;
		});

	if (error) {
		throw error;
	}

	return res;
};

export const uploadWebToVectorDB = async (token: string, collection_name: string, url: string) => {
	let error = null;

	const res = await fetch(`${RAG_API_BASE_URL}/web`, {
		method: 'POST',
		headers: {
			Accept: 'application/json',
			'Content-Type': 'application/json',
			authorization: `Bearer ${token}`
		},
		body: JSON.stringify({
			url: url,
			collection_name: collection_name
		})
	})
		.then(async (res) => {
			if (!res.ok) throw await res.json();
			return res.json();
		})
		.catch((err) => {
			error = err.detail;
			console.log(err);
			return null;
		});

	if (error) {
		throw error;
	}

	return res;
};

export const queryVectorDB = async (
	token: string,
	collection_names: string[],
	query: string,
	k: number
) => {
	let error = null;

	const res = await fetch(`${RAG_API_BASE_URL}/query/collections`, {
		method: 'POST',
		headers: {
			Accept: 'application/json',
			'Content-Type': 'application/json',
			authorization: `Bearer ${token}`
		},
		body: JSON.stringify({
			collection_names: collection_names,
			query: query,
			k: k
		})
	})
		.then(async (res) => {
			if (!res.ok) throw await res.json();
			return res.json();
		})
		.catch((err) => {
			error = err.detail;
			return null;
		});

	if (error) {
		throw error;
	}

	return res;
};

export const resetVectorDB = async (token: string) => {
	let error = null;

	const res = await fetch(`${RAG_API_BASE_URL}/reset`, {
		method: 'GET',
		headers: {
			Accept: 'application/json',
			authorization: `Bearer ${token}`
		}
	})
		.then(async (res) => {
			if (!res.ok) throw await res.json();
			return res.json();
		})
		.catch((err) => {
			error = err.detail;
			return null;
		});

	if (error) {
		throw error;
	}

	return res;
};
