/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports", "../parser/jsonParser", "../jsonLanguageTypes"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.JSONHover = void 0;
    const Parser = require("../parser/jsonParser");
    const jsonLanguageTypes_1 = require("../jsonLanguageTypes");
    class JSONHover {
        constructor(schemaService, contributions = [], promiseConstructor) {
            this.schemaService = schemaService;
            this.contributions = contributions;
            this.promise = promiseConstructor || Promise;
        }
        doHover(document, position, doc) {
            const offset = document.offsetAt(position);
            let node = doc.getNodeFromOffset(offset);
            if (!node || (node.type === 'object' || node.type === 'array') && offset > node.offset + 1 && offset < node.offset + node.length - 1) {
                return this.promise.resolve(null);
            }
            const hoverRangeNode = node;
            // use the property description when hovering over an object key
            if (node.type === 'string') {
                const parent = node.parent;
                if (parent && parent.type === 'property' && parent.keyNode === node) {
                    node = parent.valueNode;
                    if (!node) {
                        return this.promise.resolve(null);
                    }
                }
            }
            const hoverRange = jsonLanguageTypes_1.Range.create(document.positionAt(hoverRangeNode.offset), document.positionAt(hoverRangeNode.offset + hoverRangeNode.length));
            const createHover = (contents) => {
                const result = {
                    contents: contents,
                    range: hoverRange
                };
                return result;
            };
            const location = Parser.getNodePath(node);
            for (let i = this.contributions.length - 1; i >= 0; i--) {
                const contribution = this.contributions[i];
                const promise = contribution.getInfoContribution(document.uri, location);
                if (promise) {
                    return promise.then(htmlContent => createHover(htmlContent));
                }
            }
            return this.schemaService.getSchemaForResource(document.uri, doc).then((schema) => {
                if (!schema) {
                    return null;
                }
                let title = undefined;
                let markdownDescription = undefined;
                let markdownEnumValueDescription = undefined, enumValue = undefined;
                const matchingSchemas = doc.getMatchingSchemas(schema.schema, node.offset).filter((s) => s.node === node && !s.inverted).map((s) => s.schema);
                for (const schema of matchingSchemas) {
                    title = title || schema.title;
                    markdownDescription = markdownDescription || schema.markdownDescription || toMarkdown(schema.description);
                    if (schema.enum) {
                        const idx = schema.enum.indexOf(Parser.getNodeValue(node));
                        if (schema.markdownEnumDescriptions) {
                            markdownEnumValueDescription = schema.markdownEnumDescriptions[idx];
                        }
                        else if (schema.enumDescriptions) {
                            markdownEnumValueDescription = toMarkdown(schema.enumDescriptions[idx]);
                        }
                        if (markdownEnumValueDescription) {
                            enumValue = schema.enum[idx];
                            if (typeof enumValue !== 'string') {
                                enumValue = JSON.stringify(enumValue);
                            }
                        }
                    }
                }
                let result = '';
                if (title) {
                    result = toMarkdown(title);
                }
                if (markdownDescription) {
                    if (result.length > 0) {
                        result += "\n\n";
                    }
                    result += markdownDescription;
                }
                if (markdownEnumValueDescription) {
                    if (result.length > 0) {
                        result += "\n\n";
                    }
                    result += `\`${toMarkdownCodeBlock(enumValue)}\`: ${markdownEnumValueDescription}`;
                }
                return createHover([result]);
            });
        }
    }
    exports.JSONHover = JSONHover;
    function toMarkdown(plain) {
        if (plain) {
            return plain
                .trim()
                .replace(/[\\`*_{}[\]()<>#+\-.!]/g, '\\$&') // escape markdown syntax tokens: http://daringfireball.net/projects/markdown/syntax#backslash
                .replace(/(^ +)/mg, (_match, g1) => '&nbsp;'.repeat(g1.length)) // escape leading spaces on each line
                .replace(/( {2,})/g, (_match, g1) => ' ' + '&nbsp;'.repeat(g1.length - 1)) // escape consecutive spaces
                .replace(/(\t+)/g, (_match, g1) => '&nbsp;'.repeat(g1.length * 4)) // escape tabs
                .replace(/\n/g, '\\\n'); // escape new lines
        }
        return undefined;
    }
    function toMarkdownCodeBlock(content) {
        // see https://daringfireball.net/projects/markdown/syntax#precode
        if (content.indexOf('`') !== -1) {
            return '`` ' + content + ' ``';
        }
        return content;
    }
});
