package com.hubilon.handler;

import com.hubilon.config.ConfigService;
import com.hubilon.util.HttpResponses;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;

import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

public final class ConfigsHandler implements HttpHandler {

    private final ConfigService configService;
    private final String preferredConfig;

    public ConfigsHandler(ConfigService configService, String preferredConfig) {
        this.configService = configService;
        this.preferredConfig = preferredConfig;
    }

    @Override
    public void handle(HttpExchange exchange) throws IOException {
        List<String> available = configService.listConfigFiles();
        Map<String, Object> payload = new LinkedHashMap<>();
        payload.put("files", available);
        payload.put("default", configService.resolveDefaultConfig(preferredConfig, available));
        HttpResponses.sendJson(exchange, 200, payload);
    }
}