import { getApiBase, apiPostUrlEncoded } from './api.js';
import { getStableDeviceIdentity } from './trial.js';

const ACTIVATION_STATE_KEY = 'insuite_mobile_activation_state';

export function getMobileActivationState() {
  try {
    const parsed = JSON.parse(localStorage.getItem(ACTIVATION_STATE_KEY) || 'null') || {};
    return {
      activated: parsed.activated === true,
      email: String(parsed.email || '').trim(),
      userName: String(parsed.userName || '').trim(),
      activatedAt: String(parsed.activatedAt || '').trim(),
    };
  } catch {
    return { activated: false, email: '', userName: '', activatedAt: '' };
  }
}

export function setMobileActivationState(payload = {}) {
  const state = {
    activated: payload.activated === true,
    email: String(payload.email || '').trim(),
    userName: String(payload.userName || '').trim(),
    activatedAt: String(payload.activatedAt || '').trim(),
  };
  localStorage.setItem(ACTIVATION_STATE_KEY, JSON.stringify(state));
  return state;
}

export function clearMobileActivationState() {
  localStorage.removeItem(ACTIVATION_STATE_KEY);
}

export async function syncMobileActivationState() {
  const apiBase = getApiBase();
  if (!apiBase) {
    return getMobileActivationState();
  }

  const identity = await getStableDeviceIdentity();
  if (!identity.deviceId && !identity.fingerprint) {
    return getMobileActivationState();
  }

  try {
    const res = await apiPostUrlEncoded('/api/mobile/activation/status', {
      device_id: identity.deviceId,
      device_fingerprint: identity.fingerprint,
      platform: identity.platform,
      model: identity.model,
    });

    if (res?.ok && res?.activation?.activated) {
      return setMobileActivationState({
        activated: true,
        email: res.activation.email || '',
        userName: res.activation.user_name || '',
        activatedAt: res.activation.activated_at || '',
      });
    }

    clearMobileActivationState();
  } catch {
    return getMobileActivationState();
  }

  return getMobileActivationState();
}

export async function activateMobileAccess({ email, code }) {
  const identity = await getStableDeviceIdentity();
  const res = await apiPostUrlEncoded('/api/mobile/activate', {
    email,
    code,
    device_id: identity.deviceId,
    device_fingerprint: identity.fingerprint,
    platform: identity.platform,
    model: identity.model,
  });

  if (res?.ok && res?.activation?.activated) {
    return setMobileActivationState({
      activated: true,
      email: res.activation.email || email,
      userName: res.activation.user_name || '',
      activatedAt: res.activation.activated_at || '',
    });
  }

  return getMobileActivationState();
}