const { getArticlesByCategory, getCategories } = require('../../utils/knowledgeData');

Page({
    data: {
        category: '',
        categoryName: '',
        articles: []
    },

    handleBack() {
        wx.navigateBack({ delta: 1 });
    },

    onLoad(options) {
        const category = options.category || 'beginner';
        const categories = getCategories();
        const categoryInfo = categories.find(c => c.id === category);

        this.setData({
            category: category,
            categoryName: categoryInfo ? categoryInfo.name : '文章列表',
            articles: getArticlesByCategory(category)
        });
    },

    // 点击文章
    goToArticle(e) {
        const id = e.currentTarget.dataset.id;
        const articles = this.data.articles;
        const article = articles.find(a => a.id === id);

        if (!article) {
            wx.showToast({
                title: '文章不存在',
                icon: 'none'
            });
            return;
        }

        // 根据文章类型跳转
        if (article.type === 'web') {
            // 外链文章 → 跳转到 webview
            wx.navigateTo({
                url: `/pages/webview/index?url=${encodeURIComponent(article.url)}`
            });
        } else {
            // 本地文章 → 跳转到 article 详情页
            wx.navigateTo({
                url: `/pages/knowledge/article?id=${id}`
            });
        }
    }
});