// Базовый URL API. Если фронт и бэк на одном домене, можно использовать '' или '/api'
const API_BASE = 'http://localhost:8000';

export async function fetchWorkoutTypes() {
    const res = await fetch(`${API_BASE}/workout-types/`);
    if (!res.ok) throw new Error('Failed to fetch workout types');
    return await res.json();
}

export async function fetchMetricTypes() {
    const res = await fetch(`${API_BASE}/metric-types/`);
    if (!res.ok) throw new Error('Failed to fetch metric types');
    return await res.json();
}

export async function fetchClients() {
    const res = await fetch(`${API_BASE}/clients/`);
    if (!res.ok) throw new Error('Failed to fetch clients');
    return await res.json();
}

export async function fetchExerciseHistory(exerciseName, clientId = null) {
    let url = `${API_BASE}/exercises/history/${encodeURIComponent(exerciseName)}?limit=10`;
    if (clientId) url += `&client_id=${clientId}`;

    const res = await fetch(url);
    if (!res.ok) throw new Error('Failed to fetch history');
    return await res.json();
}

export async function syncData(payload) {
    const res = await fetch(`${API_BASE}/sync/`, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(payload)
    });

    if (!res.ok) {
        const err = await res.json();
        console.error('❌ Sync API Error Detail:', err); // <-- Покажет, какое именно поле не прошло валидацию
        throw new Error(err.detail ? JSON.stringify(err.detail) : 'Sync failed');
    }
    return await res.json();
}