import { select } from '@inquirer/prompts';
import { readServerConfig } from "../utils/config.js";
import { createPrefixLog } from "../utils/prefixLog.js";
/**
 * Switch the default server
 * Supports: skywriter remote switch [url]
 *   - skywriter remote switch                          (interactive select)
 *   - skywriter remote switch http://user@host.com     (direct switch)
 */
export const switchServer = async (ctx, url) => {
    const cmdLog = createPrefixLog(ctx.cliName, 'remote switch');
    const serverConfig = await readServerConfig(ctx, cmdLog);
    const servers = serverConfig.listServers();
    if (servers.length === 0) {
        throw new Error(`No servers configured. Run "${ctx.cliName} login" to add one.`);
    }
    if (url) {
        const parsed = new URL(url);
        if (!parsed.username) {
            throw new Error('URL must include a username (e.g. http://user@host.com)');
        }
        const username = parsed.username;
        const serverUrl = parsed.origin;
        const server = servers.find(s => s.serverUrl === serverUrl && s.username === username);
        if (!server) {
            throw new Error(`No server found for ${username}@${parsed.host}`);
        }
        if (server.active) {
            cmdLog.info(`${username}@${parsed.host} is already the active server.`);
            return;
        }
        await serverConfig.setDefaultServer(server.serverUrl, server.username);
        return;
    }
    if (servers.length === 1) {
        cmdLog.info('Only one server is configured.');
        return;
    }
    const choices = servers.map(server => ({
        name: `${server.serverUrl} (${server.username})${server.active ? ' (current default)' : ''}`,
        value: server,
    }));
    const selected = await select({
        message: 'Select default server:',
        choices,
    });
    if (selected.active) {
        cmdLog.info(`${selected.username}@${new URL(selected.serverUrl).host} is already the active server.`);
        return;
    }
    await serverConfig.setDefaultServer(selected.serverUrl, selected.username);
};
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