// ==============================================================================
// VOC 验证报告 · Ch6 竞品认知 · 6 竞品子章（快照模式）
// 详见 ch2-package.js 头部说明。
// ==============================================================================
const fs = require('fs');
const path = require('path');

let _snapshot = null;
function getSnapshot() {
    if (!_snapshot) {
        _snapshot = JSON.parse(fs.readFileSync(
            path.join(__dirname, '..', '_slides-snapshot.json'), 'utf8',
        ));
    }
    return _snapshot;
}

function fromSnapshot(id, slideNum) {
    const sec = getSnapshot()[id];
    if (!sec) {
        return `<section class="report-section" id="${id}" data-slide-num="${slideNum}"><div class="section-inner"><h2 class="text-h1">[Missing] ${id}</h2></div></section>`;
    }
    return sec.html.replace(/data-slide-num="[^"]+"/, `data-slide-num="${slideNum}"`);
}

function renderCompetitor1Huganpian({ slideNum } = {}) { return fromSnapshot('competitor-1', slideNum); }
function renderCompetitor2Yishanfu({ slideNum } = {}) { return fromSnapshot('competitor-2', slideNum); }
function renderCompetitor3Pianzaihuang({ slideNum } = {}) { return fromSnapshot('competitor-3', slideNum); }
function renderCompetitor4Xiongdanfen({ slideNum } = {}) { return fromSnapshot('competitor-4', slideNum); }
function renderCompetitor5Swisse({ slideNum } = {}) { return fromSnapshot('competitor-5', slideNum); }
function renderCompetitor6Haiwang({ slideNum } = {}) { return fromSnapshot('competitor-6', slideNum); }

module.exports = {
    renderCompetitor1Huganpian,
    renderCompetitor2Yishanfu,
    renderCompetitor3Pianzaihuang,
    renderCompetitor4Xiongdanfen,
    renderCompetitor5Swisse,
    renderCompetitor6Haiwang,
};