/**
 * @license
 * Copyright 2026 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { ISSUE_UTILS } from '../issue-descriptions.js';
import { logger } from '../logger.js';
import { DevTools } from '../third_party/index.js';
export class IssueFormatter {
    #issue;
    #options;
    constructor(issue, options) {
        this.#issue = issue;
        this.#options = options;
    }
    toString() {
        return convertIssueConciseToString(this.toJSON());
    }
    toStringDetailed() {
        return convertIssueDetailedToString(this.toJSONDetailed());
    }
    toJSON() {
        return {
            type: 'issue',
            title: this.#getTitle(),
            count: this.#issue.getAggregatedIssuesCount(),
            id: this.#options.id,
        };
    }
    toJSONDetailed() {
        return {
            id: this.#options.id,
            type: 'issue',
            count: this.#issue.getAggregatedIssuesCount(),
            title: this.#getTitle(),
            description: this.#getDescription(),
            links: this.#issue.getDescription()?.links,
            affectedResources: this.#getAffectedResources(),
        };
    }
    #getAffectedResources() {
        const issues = this.#issue.getAllIssues();
        const affectedResources = [];
        for (const singleIssue of issues) {
            const details = singleIssue.details();
            if (!details) {
                continue;
            }
            // We send the remaining details as untyped JSON because the DevTools
            // frontend code is currently not re-usable.
            const data = structuredClone(details);
            let uid;
            let request;
            if ('violatingNodeId' in details &&
                details.violatingNodeId &&
                this.#options.elementIdResolver) {
                uid = this.#options.elementIdResolver(details.violatingNodeId);
                delete data.violatingNodeId;
            }
            if ('nodeId' in details &&
                details.nodeId &&
                this.#options.elementIdResolver) {
                uid = this.#options.elementIdResolver(details.nodeId);
                delete data.nodeId;
            }
            if ('documentNodeId' in details &&
                details.documentNodeId &&
                this.#options.elementIdResolver) {
                uid = this.#options.elementIdResolver(details.documentNodeId);
                delete data.documentNodeId;
            }
            if ('request' in details && details.request) {
                request = details.request.url;
                if (details.request.requestId && this.#options.requestIdResolver) {
                    const resolvedId = this.#options.requestIdResolver(details.request.requestId);
                    if (resolvedId) {
                        request = resolvedId;
                        const requestData = data.request;
                        delete requestData.requestId;
                    }
                }
            }
            // These fields has no use for the MCP client (redundant or irrelevant).
            delete data.errorType;
            delete data.frameId;
            affectedResources.push({
                uid,
                data: data,
                request,
            });
        }
        return affectedResources;
    }
    isValid() {
        return this.#getTitle() !== undefined;
    }
    // Helper to extract title
    #getTitle() {
        const markdownDescription = this.#issue.getDescription();
        const filename = markdownDescription?.file;
        if (!filename) {
            logger(`no description found for issue:` + this.#issue.code());
            return undefined;
        }
        // We already have the description logic in #getDescription, but title extraction is separate
        // We can reuse the logic or cache it.
        // Ideally we should process markdown once.
        const rawMarkdown = ISSUE_UTILS.getIssueDescription(filename);
        if (!rawMarkdown) {
            logger(`no markdown ${filename} found for issue:` + this.#issue.code());
            return undefined;
        }
        try {
            const processedMarkdown = DevTools.MarkdownIssueDescription.substitutePlaceholders(rawMarkdown, markdownDescription?.substitutions);
            const markdownAst = DevTools.Marked.Marked.lexer(processedMarkdown);
            const title = DevTools.MarkdownIssueDescription.findTitleFromMarkdownAst(markdownAst);
            if (!title) {
                logger('cannot read issue title from ' + filename);
                return undefined;
            }
            return title;
        }
        catch {
            logger('error parsing markdown for issue ' + this.#issue.code());
            return undefined;
        }
    }
    #getDescription() {
        const markdownDescription = this.#issue.getDescription();
        const filename = markdownDescription?.file;
        if (!filename) {
            return undefined;
        }
        const rawMarkdown = ISSUE_UTILS.getIssueDescription(filename);
        if (!rawMarkdown) {
            return undefined;
        }
        try {
            return DevTools.MarkdownIssueDescription.substitutePlaceholders(rawMarkdown, markdownDescription?.substitutions);
        }
        catch {
            return undefined;
        }
    }
}
function convertIssueConciseToString(issue) {
    return `msgid=${issue.id} [issue] ${issue.title} (count: ${issue.count})`;
}
function convertIssueDetailedToString(issue) {
    const result = [];
    result.push(`ID: ${issue.id}`);
    const bodyParts = [];
    const description = issue.description;
    let processedMarkdown = description?.trim();
    // Remove heading in order not to conflict with the whole console message response markdown
    if (processedMarkdown?.startsWith('# ')) {
        processedMarkdown = processedMarkdown.substring(2).trimStart();
    }
    if (processedMarkdown) {
        bodyParts.push(processedMarkdown);
    }
    else {
        bodyParts.push(issue.title ?? 'Unknown Issue');
    }
    const links = issue.links;
    if (links && links.length > 0) {
        bodyParts.push('Learn more:');
        for (const link of links) {
            bodyParts.push(`[${link.linkTitle}](${link.link})`);
        }
    }
    const affectedResources = issue.affectedResources;
    if (affectedResources.length) {
        bodyParts.push('### Affected resources');
        bodyParts.push(...affectedResources.map(item => {
            const details = [];
            if (item.uid) {
                details.push(`uid=${item.uid}`);
            }
            if (item.request) {
                details.push((typeof item.request === 'number' ? `reqid=` : 'url=') +
                    item.request);
            }
            if (item.data) {
                details.push(`data=${JSON.stringify(item.data)}`);
            }
            return details.join(' ');
        }));
    }
    result.push(`Message: issue> ${bodyParts.join('\n')}`);
    return result.join('\n');
}
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