// Échappe les valeurs serveur avant injection dans innerHTML
function esc(s) {
    if (s == null) return '—';
    return String(s)
        .replace(/&/g, '&')
        .replace(/</g, '&lt;')
        .replace(/>/g, '&gt;')
        .replace(/"/g, '&quot;')
        .replace(/'/g, '&#39;');
}

const API = (() => {
    const BASE = '';  // même origine, proxy Nginx vers le serveur Go

    async function get(path) {
        const r = await fetch(BASE + path);
        if (!r.ok) throw new Error(`GET ${path}: ${r.status}`);
        return r.json();
    }

    async function put(path, body) {
        const r = await fetch(BASE + path, {
            method: 'PUT',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(body),
        });
        if (!r.ok) throw new Error(`PUT ${path}: ${r.status}`);
    }

    async function del(path) {
        const r = await fetch(BASE + path, { method: 'DELETE' });
        if (!r.ok) throw new Error(`DELETE ${path}: ${r.status}`);
    }

    async function postForm(path, formData) {
        const r = await fetch(BASE + path, { method: 'POST', body: formData });
        if (!r.ok) throw new Error(`POST ${path}: ${r.status}`);
    }

    return {
        getAgents:        () => get('/api/agents'),
        getAgentHistory:  (id, from, to) => get(`/api/agents/${id}/history?from=${from}&to=${to}`),
        getAgentConfig:   (id) => get(`/api/agents/${id}/config`),
        putAgentConfig:   (id, cfg) => put(`/api/agents/${id}/config`, cfg),
        getServerConfig:  () => get('/api/config'),
        putServerConfig:  (cfg) => put('/api/config', cfg),
        uploadIcon:       (id, file) => {
            const fd = new FormData();
            fd.append('icon', file);
            return postForm(`/api/agents/${id}/icon`, fd);
        },
        deleteAgent:      (id) => del(`/api/agents/${id}`),
        iconUrl:          (id) => `/api/agents/${id}/icon`,
    };
})();