module http

// internal tests have access to *everything in the module*
import json

struct HttpbinResponseBody {
	args    map[string]string
	data    string
	files   map[string]string
	form    map[string]string
	headers map[string]string
	json    map[string]string
	origin  string
	url     string
}

fn http_fetch_mock(_methods []string, _config FetchConfig) ![]Response {
	url := 'https://httpbin.org/'
	methods := if _methods.len == 0 { ['GET', 'POST', 'PATCH', 'PUT', 'DELETE'] } else { _methods }
	mut config := _config
	mut result := []Response{}
	// Note: httpbin doesn't support head
	for method in methods {
		lmethod := method.to_lower()
		config.method = method_from_str(method)
		res := fetch(FetchConfig{ ...config, url: url + lmethod })!
		// TODO
		// body := json.decode(HttpbinResponseBody,res.body)?
		result << res
	}
	return result
}

fn test_http_fetch_bare() {
	$if !network ? {
		return
	}
	responses := http_fetch_mock([], FetchConfig{}) or { panic(err) }
	for response in responses {
		assert response.status() == .ok
	}
}

fn test_http_fetch_with_data() {
	$if !network ? {
		return
	}
	responses := http_fetch_mock(['POST', 'PUT', 'PATCH', 'DELETE'],
		data: 'hello world'
	) or { panic(err) }
	for response in responses {
		payload := json.decode(HttpbinResponseBody, response.body) or { panic(err) }
		assert payload.data == 'hello world'
	}
}

fn test_http_fetch_with_params() {
	$if !network ? {
		return
	}
	responses := http_fetch_mock([],
		params: {
			'a': 'b'
			'c': 'd'
		}
	) or { panic(err) }
	for response in responses {
		// payload := json.decode(HttpbinResponseBody,response.body) or {
		// panic(err)
		// }
		assert response.status() == .ok
		// TODO
		// assert payload.args['a'] == 'b'
		// assert payload.args['c'] == 'd'
	}
}

fn test_http_fetch_with_headers() ! {
	$if !network ? {
		return
	}
	mut header := new_header()
	header.add_custom('Test-Header', 'hello world')!
	responses := http_fetch_mock([],
		header: header
	) or { panic(err) }
	for response in responses {
		// payload := json.decode(HttpbinResponseBody,response.body) or {
		// panic(err)
		// }
		assert response.status() == .ok
		// TODO
		// assert payload.headers['Test-Header'] == 'hello world'
	}
}