module aur

import net.urllib
import net.http
import json

pub struct Client {
	url string = aur_rpc_url
}

pub fn new() &Client {
	return &Client{}
}

pub fn new_with_url(url string) &Client {
	if !url.ends_with('/') {
		return &Client{
			url: '${url}/'
		}
	}

	return &Client{
		url: url
	}
}

struct Response {
	@type   string    [json: 'type']
	error   string
	results []Package
}

fn (c Client) request(params map[string][]string) ![]Package {
	mut param_strings := []string{}

	for k, v in params {
		param_strings << v.map(urllib.query_escape(it)).map('${k}=${it}')
	}

	url := '${c.url}?${param_strings.join('&')}'

	res := http.get(url)!

	if res.status_code < 200 || res.status_code >= 300 {
		// temporary
		return error('error')
	}

	data := json.decode(Response, res.body)!

	if data.@type == 'error' {
		return error('Server responded with an error: ${data.error}')
	}

	return data.results
}

pub fn (c Client) search_by(arg string, st SearchType) ![]Package {
	params := {
		'v':    ['5']
		'type': ['search']
		'by':   ['${st}']
		'arg':  [arg]
	}

	return c.request(params)
}

// search performs a search by name_desc.
pub fn (c Client) search(arg string) ![]Package {
	return c.search_by(arg, .name_desc)
}

pub fn (c Client) info(pkgs []string) ![]Package {
	params := {
		'v':     ['5']
		'type':  ['info']
		'arg[]': pkgs
	}

	return c.request(params)
}