/**
 * diag-page-state.js — 诊断：为什么 pageState() 判不出当前页面
 *
 * 用 `node tools/run.js --eval tools/diag-page-state.js` 跑。
 * 它只读不写，不会改变设备状态。
 */
var l = TikTokAuto.layout;
var t = TikTokAuto.tiktok;

console.log('rootIsNull=' + (l.root() === null));
console.log('fg=' + l.foregroundPackage());
console.log('screen=' + JSON.stringify(l.screen()));
console.log('state=' + t.pageState());
console.log('onPlayerPage=' + t.onPlayerPage());
console.log('tabStrip=' + t.resultTabStripPresent());
console.log('bottomNav=' + t.bottomNavPresent());
console.log('homeNode=' + (l.findOnce(desc('Home')) !== null));
console.log('profileNode=' + (l.findOnce(desc('Profile')) !== null));
console.log('searchEntryNull=' + (t.searchEntry() === null));

var imgs = className('android.widget.ImageView').find();
console.log('imageViewCount=' + imgs.size());
for (var i = 0; i < imgs.size(); i += 1) {
    var node = imgs.get(i);
    if (l.desc(node) === 'Search') {
        console.log('  SearchImage visible=' + l.isVisible(node) +
            ' center=' + JSON.stringify(l.center(node)) +
            ' bounds=' + JSON.stringify(node.bounds()));
    }
}

var texts = className('android.widget.TextView').find();
var bottomNavCandidates = [];
for (var j = 0; j < texts.size(); j += 1) {
    var label = l.text(texts.get(j));
    if (label === 'Home' || label === 'Profile' || label === 'Inbox' || label === 'Friends') {
        bottomNavCandidates.push(label + '@' + JSON.stringify(texts.get(j).bounds()));
    }
}
console.log('bottomNavTextNodes=' + JSON.stringify(bottomNavCandidates));