const test = require('node:test');
const assert = require('node:assert/strict');
const { layaFallbackMessage, present } = require('../public/js/services/liveAnalysisPresentation.js');

test('presents determinate channel analysis progress', () => {
    const view = present({ status: 'building', phase: 'projecting', processed: 25, total: 100 });
    assert.equal(view.busy, true);
    assert.equal(view.statusLabel, 'Building channel catalog…');
    assert.equal(view.progressIndeterminate, false);
    assert.equal(view.progressPercent, 25);
    assert.equal(view.progressText, '25 of 100 channels · 25%');
});

test('presents Laya identity progress using AI batch counters', () => {
    const view = present({
        status: 'building',
        phase: 'laya_identity',
        layaProcessed: 3,
        layaTotal: 8,
        processed: 0,
        total: 39348
    });
    assert.equal(view.statusLabel, 'Analyzing with local AI…');
    assert.equal(view.progressIndeterminate, false);
    assert.equal(view.progressPercent, 38);
    assert.equal(view.progressText, 'AI batch 3 of 8 · 38%');
});

test('presents local Laya language batch progress after projection', () => {
    const view = present({
        status: 'building',
        phase: 'laya_language',
        languageProcessed: 5,
        languageTotal: 10
    });
    assert.equal(view.statusLabel, 'Detecting stream languages…');
    assert.equal(view.progressIndeterminate, false);
    assert.equal(view.progressPercent, 50);
    assert.equal(view.progressText, 'Language batch 5 of 10 · 50%');
});

test('presents indeterminate progress when totals are unavailable', () => {
    const view = present({ status: 'queued', processed: null, total: null });
    assert.equal(view.busy, true);
    assert.equal(view.progressIndeterminate, true);
    assert.equal(view.progressPercent, null);
    assert.equal(view.progressText, 'In progress…');
    assert.equal(view.buttonLabel, 'Analyze channels');
    assert.equal(present({ status: 'running', processed: null, total: 100 }).progressIndeterminate, true);
});

test('presents writing as an indeterminate finalization phase', () => {
    const view = present({ status: 'building', phase: 'writing', processed: 39348, total: 39348 });
    assert.equal(view.statusLabel, 'Saving channel catalog…');
    assert.equal(view.progressIndeterminate, true);
    assert.equal(view.progressPercent, null);
    assert.equal(view.progressText, 'Finalizing…');
});

test('presents success and retry states', () => {
    assert.deepEqual(
        { label: present({ status: 'success', projectedCount: 12 }).statusLabel, button: present({ status: 'success' }).buttonLabel },
        { label: 'Analysis complete', button: 'Analyze again' }
    );
    const failed = present({ status: 'error', error: 'Safe projection error' });
    assert.equal(failed.statusLabel, 'Analysis failed');
    assert.equal(failed.buttonLabel, 'Try again');
    assert.equal(failed.errorDetail, 'Safe projection error');
});

test('mentions Standard fallback only for unavailable active Local AI modes', () => {
    assert.equal(layaFallbackMessage('algo', { modelPresent: false, runtimeAvailable: false }), '');
    assert.equal(layaFallbackMessage('hybrid', { modelPresent: true, runtimeAvailable: true }), '');
    assert.equal(
        layaFallbackMessage('laya', { modelPresent: true, runtimeAvailable: false }),
        'Local AI is unavailable. Standard channel matching will be used for this analysis.'
    );
});