// Source effectivement livrable.
// IMPORTANT:
// on évite de conclure "voiture pleine" si en réalité la source n'est
// pas disponible (ex: attente grid takeover).
const sourceDeliverableForNoDemand =
  (context.sourceMode === 'grid_hc_allowed' || context.sourceMode === 'grid_forced')
    ? !!parsed.gridAvailable
    : (context.sourceMode === 'solar_only' || context.sourceMode === 'solar_potential')
      ? !!conditions.solarHoldOk || !!conditions.solarStartOk
      : context.sourceMode === 'hybrid_probe'
        ? !!conditions.probeHoldGuardOk || !!conditions.probeSuccessNow || !!conditions.probeStartOk
        : context.sourceMode === 'battery_assist_night'
          ? !!conditions.batteryAssistNightHoldOk || !!conditions.batteryAssistNightStartOk
          : false;

const evcsSessionArmedForNoDemand =
  !!cloud.sessionObservedActive &&
  !!parsed.evcsVehicleConnected &&
  !!parsed.evcsChargingSwitchOn &&
  !!parsed.chargePermissionNow &&
  !!parsed.controlLatch &&
  commandCurrentA > 0 &&
  sourceDeliverableForNoDemand;

const noDemandScoreRaw = evcsSessionArmedForNoDemand
  ? clamp(
      noDemandEvidenceRaw * sessionArmFactor * commandFactor,
      0,
      1
    )
  : 0;

const noDemandScoreEma = ema(prevNoDemandScoreEma, noDemandScoreRaw, alphaScore);

const adaptiveDecisionCenter = clamp(
  0.72 - 0.20 * deliveryNoiseEma,
  0.55,
  0.82
);

const adaptiveDecisionBand = clamp(
  0.16 + 0.80 * deliveryNoiseEma,
  0.12,
  0.34
);

const noDemandScoreOn = clamp(
  adaptiveDecisionCenter + adaptiveDecisionBand / 2,
  0.60,
  0.95
);

const noDemandScoreOff = clamp(
  adaptiveDecisionCenter - adaptiveDecisionBand / 2,
  0.15,
  noDemandScoreOn - 0.05
);

let evcsVehicleNoDemandSemantic = prevNoDemandSemanticActive;

if (!evcsSessionArmedForNoDemand) {
  evcsVehicleNoDemandSemantic = false;
} else if (prevNoDemandSemanticActive) {
  evcsVehicleNoDemandSemantic = noDemandScoreEma >= noDemandScoreOff;
} else {
  evcsVehicleNoDemandSemantic = noDemandScoreEma >= noDemandScoreOn;
}

const evcsNoDemandSinceMs =
  evcsVehicleNoDemandSemantic
    ? (
        prevNoDemandSemanticActive && Number.isFinite(prevNoDemandSinceMs)
          ? prevNoDemandSinceMs
          : nowMs
      )
    : null;

const evcsNoDemandSinceMinutes =
  Number.isFinite(evcsNoDemandSinceMs) && Number.isFinite(nowMs)
    ? Math.max(0, (nowMs - evcsNoDemandSinceMs) / 60000)
    : null;

const vehicleDemandFilter = {
  dtSec: round3(noDemandDtSec),

  commandCurrentA: round3(commandCurrentA),
  realCurrentA: round3(realCurrentA),
  expectedPowerW: round3(expectedPowerW),
  realPowerW: round3(realPowerW),

  currentDeliveryRatioRaw: round3(currentDeliveryRatioRaw),
  powerDeliveryRatioRaw: round3(powerDeliveryRatioRaw),
  deliveryRatioRaw: round3(deliveryRatioRaw),
  deliveryRatioEma: round3(deliveryRatioEma),
  deliveryNoiseEma: round3(deliveryNoiseEma),

  adaptiveQuietBand: round3(adaptiveQuietBand),
  noDemandEvidenceRaw: round3(noDemandEvidenceRaw),

  sessionElapsedSec: round3(sessionElapsedSec),
  sessionArmFactor: round3(sessionArmFactor),
  commandFactor: round3(commandFactor),
  sourceDeliverableForNoDemand,
  evcsSessionArmedForNoDemand,

  noDemandScoreRaw: round3(noDemandScoreRaw),
  noDemandScoreEma: round3(noDemandScoreEma),

  noDemandScoreOn: round3(noDemandScoreOn),
  noDemandScoreOff: round3(noDemandScoreOff),

  evcsVehicleNoDemandSemantic,
  evcsNoDemandSinceMs: Number.isFinite(evcsNoDemandSinceMs) ? evcsNoDemandSinceMs : null,
  evcsNoDemandSinceMinutes: Number.isFinite(evcsNoDemandSinceMinutes)
    ? round3(evcsNoDemandSinceMinutes)
    : null,

  nextHistory: {
    evcsDeliveryRatioEma: round3(deliveryRatioEma),
    evcsDeliveryNoiseEma: round3(deliveryNoiseEma),
    evcsNoDemandScoreEma: round3(noDemandScoreEma),
    evcsNoDemandSemanticActive: evcsVehicleNoDemandSemantic,
    evcsNoDemandSinceMs: Number.isFinite(evcsNoDemandSinceMs) ? evcsNoDemandSinceMs : null,
    evcsNoDemandFilterEvalMs: nowMs
  }
};

// =====================================================
// DECISION TREE
// =====================================================
if (!parsed.controllerEnabled) {
  desiredCharging = parsed.evcsChargingSwitchOn;
  desiredPermission = parsed.chargePermissionNow;
  desiredLatch = parsed.controlLatch;
  desiredCurrentA = clamp(
    derived.currentReferenceA || params.currentMinA,
    params.currentMinA,
    params.currentMaxAutoA
  );

  state = 'controller_disabled';
  currentDecision = 'hold';
  dynamicOk = false;
  mustStop = false;
  reason.push('Contrôleur désactivé');
}

else if (strategy.isStopMode) {
  setOff({
    stateName: 'stopped_user',
    decisionName: 'stop_stop_mode',
    reasonText: 'Arrêt manuel via Stratégie STOP',
    dynamic: false,
    mustStopFlag: false,
    blockReason: 'manual_stop',
    blockedUntilStamp: now.stamp,
  });
}

else if (parsed.evcsModeIsAuto) {
  setOff({
    stateName: 'mode_auto_conflict',
    decisionName: 'stop_auto_mode_conflict',
    reasonText: 'Borne en mode Auto interne',
    dynamic: false,
    mustStopFlag: true,
    blockReason: 'mode_auto_conflict',
    blockedUntilStamp: now.stamp,
  });
}

else if (!parsed.evcsDeviceConnected || !parsed.evcsVehicleConnected) {
  setOff({
    stateName: 'vehicle_not_connected',
    decisionName: 'stop_not_connected',
    reasonText: 'Véhicule ou borne non connecté',
    dynamic: false,
    mustStopFlag: false,
    blockReason: 'vehicle_not_connected',
    blockedUntilStamp: now.stamp,
  });
}

else if (safeguards.mustStopHard) {
  setOff({
    stateName:
      derived.anyVebusLowBattery ? 'vebus_low_battery_hard_stop' :
      derived.vebusDcVoltageHardLow ? 'vebus_dc_voltage_hard_stop' :
      derived.vebusAcOutHardReached ? 'vebus_ac_hard_stop' :
      safeguards.batteryCurrentHardExceeded ? 'battery_current_hard_stop' :
      'hard_stop',
    decisionName: 'stop_hard',
    reasonText: 'Hard stop de protection',
    dynamic: false,
    mustStopFlag: true,
    blockReason:
      safeguards.batteryCurrentHardExceeded ? 'battery_current_hard_stop' :
      derived.vebusDcVoltageHardLow ? 'vebus_dc_voltage_stop' :
      derived.anyVebusLowBattery ? 'vebus_low_battery_stop' :
      derived.vebusAcOutHardReached ? 'vebus_ac_hard_stop' :
      'battery_protection_stop',
    blockedUntilStamp: formatParisStampFromMs(nowMs + 15 * 60000),
  });
}

// =====================================================
// ACTIVE SESSION BRANCH
// =====================================================
else if (cloud.sessionObservedActive) {
  if (cloud.enteringCloudDebt) {
    setCloudDebtStartedAt = true;
  }

  if (conditions.shouldStopOverloadAtMin) {
    setOff({
      stateName: 'vebus_overload_stop_min_current',
      decisionName: 'stop',
      reasonText: 'Arrêt: surcharge convertisseur persistante au courant mini',
      dynamic: false,
      mustStopFlag: true,
      blockReason: 'vebus_overload_persistent',
      blockedUntilStamp: formatParisStampFromMs(
        nowMs + batteryTune.global.overloadStopAfterSeconds * 1000
      ),
    });
  }

  else if (safeguards.gridBatteryProtectionStop) {
    setOff({
      stateName: 'stop_grid_battery_guard',
      decisionName: 'stop',
      reasonText: `Arrêt charge réseau: batterie trop sollicitée (${round1(parsed.batteryCurrentA)}A)`,
      dynamic: false,
      mustStopFlag: true,
      blockReason: 'grid_battery_guard',
      blockedUntilStamp: formatParisStampFromMs(nowMs + 20 * 60000),
    });
  }

  else if (conditions.probeFailedNow) {
    setOff({
      stateName: 'probe_failed_lock',
      decisionName: 'stop',
      reasonText: 'Mode sonde échoué',
      dynamic: false,
      mustStopFlag: true,
      blockReason: 'probe_failed',
      blockedUntilStamp: formatParisStampFromMs(nowMs + params.probeRetryMinutes * 60000),
    });
  }

  else if (derived.physicalCapA < params.currentMinA) {
    if (lifecycle.minRunElapsed) {
      setOff({
        stateName: 'stop_power_cap',
        decisionName: 'stop_power_cap',
        reasonText: 'Capacité système insuffisante',
        dynamic: false,
        mustStopFlag: true,
        blockReason: 'system_capacity_stop',
        blockedUntilStamp: formatParisStampFromMs(nowMs + 10 * 60000),
      });
    } else {
      setOn({
        stateName: 'hold_min_run_power_cap',
        decisionName: 'hold',
        currentA: params.currentMinA,
        reasonText: "Maintien jusqu'au temps mini ON",
        dynamic: false,
        mustStopFlag: false,
      });
    }
  }

  else if (conditions.probeWindowActive && !conditions.probeSuccessNow) {
    if (!conditions.probeHoldGuardOk) {
      setOff({
        stateName: 'probe_stop_guard',
        decisionName: 'stop',
        reasonText: 'Sonde interrompue: garde-fous non respectés',
        dynamic: false,
        mustStopFlag: true,
        blockReason: 'probe_failed',
        blockedUntilStamp: formatParisStampFromMs(nowMs + params.probeRetryMinutes * 60000),
      });
    } else {
      setOn({
        stateName: 'probe_hold',
        decisionName: 'hold',
        currentA: Math.min(params.probeCurrentA, derived.physicalCapA),
        reasonText: `Mode sonde actif à ${round1(Math.min(params.probeCurrentA, derived.physicalCapA))}A`,
        dynamic: true,
        mustStopFlag: false,
      });
    }
  }

  else {
    const activeSourceMode =
      conditions.probeSuccessNow
        ? 'solar_only'
        : context.sourceMode;

    const holdConditionsOk =
      (activeSourceMode === 'grid_hc_allowed' || activeSourceMode === 'grid_forced')
        ? conditions.gridHoldOk
        : (activeSourceMode === 'solar_only' || activeSourceMode === 'solar_potential')
          ? conditions.solarHoldOk
          : activeSourceMode === 'hybrid_probe'
            ? conditions.probeHoldGuardOk
            : activeSourceMode === 'battery_assist_night'
              ? conditions.batteryAssistNightHoldOk
              : false;