import type { NativeAppState, NativeUpdates } from '@/types/native-app';

export function isNativeAppState(value: unknown): value is NativeAppState {
    if (!value || typeof value !== 'object') {
        return false;
    }
    const state = value as NativeAppState;
    if (
        state.apiVersion !== 1 ||
        !['macos', 'ios'].includes(state.platform) ||
        typeof state.version !== 'string' ||
        typeof state.workspace !== 'string' ||
        !Array.isArray(state.capabilities) ||
        !state.capabilities.includes('workspace')
    ) {
        return false;
    }
    try {
        if (new URL(state.workspace).protocol !== 'https:') {
            return false;
        }
    } catch {
        return false;
    }
    if (!state.capabilities.includes('updates')) {
        return state.updates === undefined;
    }
    if (state.platform !== 'macos' || !state.updates) {
        return false;
    }
    const updates = state.updates;
    return (
        [
            'idle',
            'checking',
            'available',
            'current',
            'downloading',
            'verifying',
            'installing',
            'restarting',
            'error',
        ].includes(updates.phase) &&
        typeof updates.currentVersion === 'string' &&
        typeof updates.build === 'string' &&
        (updates.version === null || typeof updates.version === 'string') &&
        (updates.notes === null || typeof updates.notes === 'string') &&
        (updates.error === null || typeof updates.error === 'string') &&
        Number.isFinite(updates.downloaded) &&
        updates.downloaded >= 0 &&
        (updates.total === null ||
            (Number.isFinite(updates.total) && updates.total >= 0)) &&
        typeof updates.preferences?.automatic === 'boolean' &&
        [1, 6, 24].includes(updates.preferences.intervalHours)
    );
}

export function updateIsBusy(updates?: NativeUpdates): boolean {
    return (
        !!updates &&
        [
            'checking',
            'downloading',
            'verifying',
            'installing',
            'restarting',
        ].includes(updates.phase)
    );
}