/**
 * @fileoverview Rant Card Component for Rantii
 * @author retoor <retoor@molodetz.nl>
 * @description Compact rant display for feed listings
 * @keywords rant, card, feed, listing, preview
 */

import { BaseComponent } from './base-component.js';
import { formatRelativeTime } from '../utils/date.js';
import { buildDevrantImageUrl } from '../utils/url.js';

class RantCard extends BaseComponent {
    static get observedAttributes() {
        return ['rant-id'];
    }

    init() {
        this.rantData = null;
        this.render();
        this.bindEvents();
    }

    setRant(rant) {
        this.rantData = rant;
        this.setAttr('rant-id', rant.id);
        this.render();
    }

    render() {
        if (!this.rantData) {
            this.setHtml('<div class="rant-card-skeleton"></div>');
            return;
        }

        const rant = this.rantData;
        const hasImage = rant.attached_image && typeof rant.attached_image === 'object';
        const imageUrl = hasImage ? buildDevrantImageUrl(rant.attached_image.url) : null;

        this.addClass('rant-card');

        this.setHtml(`
            <article class="card-content">
                <header class="card-header">
                    <user-avatar
                        avatar='${JSON.stringify(rant.user_avatar)}'
                        username="${rant.user_username}"
                        size="small">
                    </user-avatar>
                    <div class="card-meta">
                        <span class="card-username">${rant.user_username}</span>
                        <span class="card-score">+${rant.user_score}</span>
                        <span class="card-time">${formatRelativeTime(rant.created_time)}</span>
                    </div>
                </header>
                <div class="card-body">
                    <rant-content text="${this.escapeAttr(rant.text)}"></rant-content>
                    ${imageUrl ? `
                        <div class="card-image">
                            <image-preview
                                src="${imageUrl}"
                                width="${rant.attached_image.width}"
                                height="${rant.attached_image.height}">
                            </image-preview>
                        </div>
                    ` : ''}
                </div>
                <footer class="card-footer">
                    <vote-buttons
                        score="${rant.score}"
                        vote-state="${rant.vote_state}"
                        type="rant"
                        item-id="${rant.id}">
                    </vote-buttons>
                    <button class="card-comments" aria-label="${rant.num_comments} comments">
                        <svg viewBox="0 0 24 24" width="18" height="18">
                            <path fill="currentColor" d="M21.99 4c0-1.1-.89-2-1.99-2H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h14l4 4-.01-18z"/>
                        </svg>
                        <span>${rant.num_comments}</span>
                    </button>
                    ${rant.tags && rant.tags.length > 0 ? `
                        <div class="card-tags">
                            ${rant.tags.slice(0, 3).map(tag => `
                                <span class="tag">${tag}</span>
                            `).join('')}
                        </div>
                    ` : ''}
                </footer>
            </article>
        `);
    }

    escapeAttr(str) {
        if (!str) return '';
        return str
            .replace(/&/g, '&amp;')
            .replace(/"/g, '&quot;')
            .replace(/'/g, '&#39;')
            .replace(/</g, '&lt;')
            .replace(/>/g, '&gt;');
    }

    bindEvents() {
        this.on(this, 'click', this.handleClick);
        this.on(this, 'vote', this.handleVote);
    }

    handleClick(e) {
        const username = e.target.closest('.card-username');
        const avatar = e.target.closest('user-avatar');
        const commentsBtn = e.target.closest('.card-comments');
        const voteBtn = e.target.closest('.vote-btn');
        const tag = e.target.closest('.tag');
        const imagePreview = e.target.closest('image-preview');
        const youtubeEmbed = e.target.closest('youtube-embed');
        const linkPreview = e.target.closest('link-preview');

        if (voteBtn || imagePreview || youtubeEmbed || linkPreview) {
            return;
        }

        if (username || avatar) {
            e.stopPropagation();
            this.getRouter()?.goToUser(this.rantData.user_username);
            return;
        }

        if (tag) {
            e.stopPropagation();
            this.getRouter()?.goToSearch(tag.textContent);
            return;
        }

        this.getRouter()?.goToRant(this.rantData.id);
    }

    async handleVote(e) {
        e.stopPropagation();
        const { vote, itemId } = e.detail;

        const voteButtons = this.$('vote-buttons');
        if (voteButtons) {
            voteButtons.disable();
        }

        try {
            const result = await this.getApi()?.voteRant(itemId, vote);
            if (result?.success && result.rant) {
                this.rantData.score = result.rant.score;
                this.rantData.vote_state = result.rant.vote_state;
                if (voteButtons) {
                    voteButtons.updateVote(result.rant.score, result.rant.vote_state);
                    voteButtons.enable();
                }
            }
        } catch (error) {
            if (voteButtons) {
                voteButtons.enable();
            }
        }
    }

    getRantId() {
        return this.rantData?.id || this.getAttr('rant-id');
    }
}

customElements.define('rant-card', RantCard);

export { RantCard };