var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
(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", "vscode-languageserver-types", "vscode-nls", "../parser/cssNodes", "../parser/cssSymbolScope", "../languageFacts/facts", "../utils/strings"], factory);
    }
})(function (require, exports) {
    /*---------------------------------------------------------------------------------------------
     *  Copyright (c) Microsoft Corporation. All rights reserved.
     *  Licensed under the MIT License. See License.txt in the project root for license information.
     *--------------------------------------------------------------------------------------------*/
    'use strict';
    Object.defineProperty(exports, "__esModule", { value: true });
    var vscode_languageserver_types_1 = require("vscode-languageserver-types");
    var nls = require("vscode-nls");
    var nodes = require("../parser/cssNodes");
    var cssSymbolScope_1 = require("../parser/cssSymbolScope");
    var facts_1 = require("../languageFacts/facts");
    var strings_1 = require("../utils/strings");
    var localize = nls.loadMessageBundle();
    var CSSNavigation = /** @class */ (function () {
        function CSSNavigation() {
        }
        CSSNavigation.prototype.findDefinition = function (document, position, stylesheet) {
            var symbols = new cssSymbolScope_1.Symbols(stylesheet);
            var offset = document.offsetAt(position);
            var node = nodes.getNodeAtOffset(stylesheet, offset);
            if (!node) {
                return null;
            }
            var symbol = symbols.findSymbolFromNode(node);
            if (!symbol) {
                return null;
            }
            return {
                uri: document.uri,
                range: getRange(symbol.node, document)
            };
        };
        CSSNavigation.prototype.findReferences = function (document, position, stylesheet) {
            var highlights = this.findDocumentHighlights(document, position, stylesheet);
            return highlights.map(function (h) {
                return {
                    uri: document.uri,
                    range: h.range
                };
            });
        };
        CSSNavigation.prototype.findDocumentHighlights = function (document, position, stylesheet) {
            var result = [];
            var offset = document.offsetAt(position);
            var node = nodes.getNodeAtOffset(stylesheet, offset);
            if (!node || node.type === nodes.NodeType.Stylesheet || node.type === nodes.NodeType.Declarations) {
                return result;
            }
            if (node.type === nodes.NodeType.Identifier && node.parent && node.parent.type === nodes.NodeType.ClassSelector) {
                node = node.parent;
            }
            var symbols = new cssSymbolScope_1.Symbols(stylesheet);
            var symbol = symbols.findSymbolFromNode(node);
            var name = node.getText();
            stylesheet.accept(function (candidate) {
                if (symbol) {
                    if (symbols.matchesSymbol(candidate, symbol)) {
                        result.push({
                            kind: getHighlightKind(candidate),
                            range: getRange(candidate, document)
                        });
                        return false;
                    }
                }
                else if (node && node.type === candidate.type && candidate.matches(name)) {
                    // Same node type and data
                    result.push({
                        kind: getHighlightKind(candidate),
                        range: getRange(candidate, document)
                    });
                }
                return true;
            });
            return result;
        };
        CSSNavigation.prototype.findDocumentLinks = function (document, stylesheet, documentContext) {
            var result = [];
            stylesheet.accept(function (candidate) {
                if (candidate.type === nodes.NodeType.URILiteral) {
                    var link = uriLiteralNodeToDocumentLink(document, candidate, documentContext);
                    if (link) {
                        result.push(link);
                    }
                    return false;
                }
                /**
                 * In @import, it is possible to include links that do not use `url()`
                 * For example, `@import 'foo.css';`
                 */
                if (candidate.parent && candidate.parent.type === nodes.NodeType.Import) {
                    var rawText = candidate.getText();
                    if (strings_1.startsWith(rawText, "'") || strings_1.startsWith(rawText, "\"")) {
                        var link = uriStringNodeToDocumentLink(document, candidate, documentContext);
                        if (link) {
                            result.push(link);
                        }
                    }
                    return false;
                }
                return true;
            });
            return result;
        };
        CSSNavigation.prototype.findDocumentLinks2 = function (document, stylesheet, documentContext) {
            return __awaiter(this, void 0, void 0, function () {
                return __generator(this, function (_a) {
                    return [2 /*return*/, this.findDocumentLinks(document, stylesheet, documentContext)];
                });
            });
        };
        CSSNavigation.prototype.findDocumentSymbols = function (document, stylesheet) {
            var result = [];
            stylesheet.accept(function (node) {
                var entry = {
                    name: null,
                    kind: vscode_languageserver_types_1.SymbolKind.Class,
                    location: null
                };
                var locationNode = node;
                if (node instanceof nodes.Selector) {
                    entry.name = node.getText();
                    locationNode = node.findAParent(nodes.NodeType.Ruleset, nodes.NodeType.ExtendsReference);
                    if (locationNode) {
                        entry.location = vscode_languageserver_types_1.Location.create(document.uri, getRange(locationNode, document));
                        result.push(entry);
                    }
                    return false;
                }
                else if (node instanceof nodes.VariableDeclaration) {
                    entry.name = node.getName();
                    entry.kind = vscode_languageserver_types_1.SymbolKind.Variable;
                }
                else if (node instanceof nodes.MixinDeclaration) {
                    entry.name = node.getName();
                    entry.kind = vscode_languageserver_types_1.SymbolKind.Method;
                }
                else if (node instanceof nodes.FunctionDeclaration) {
                    entry.name = node.getName();
                    entry.kind = vscode_languageserver_types_1.SymbolKind.Function;
                }
                else if (node instanceof nodes.Keyframe) {
                    entry.name = localize('literal.keyframes', "@keyframes {0}", node.getName());
                }
                else if (node instanceof nodes.FontFace) {
                    entry.name = localize('literal.fontface', "@font-face");
                }
                else if (node instanceof nodes.Media) {
                    var mediaList = node.getChild(0);
                    if (mediaList instanceof nodes.Medialist) {
                        entry.name = '@media ' + mediaList.getText();
                        entry.kind = vscode_languageserver_types_1.SymbolKind.Module;
                    }
                }
                if (entry.name) {
                    entry.location = vscode_languageserver_types_1.Location.create(document.uri, getRange(locationNode, document));
                    result.push(entry);
                }
                return true;
            });
            return result;
        };
        CSSNavigation.prototype.findDocumentColors = function (document, stylesheet) {
            var result = [];
            stylesheet.accept(function (node) {
                var colorInfo = getColorInformation(node, document);
                if (colorInfo) {
                    result.push(colorInfo);
                }
                return true;
            });
            return result;
        };
        CSSNavigation.prototype.getColorPresentations = function (document, stylesheet, color, range) {
            var result = [];
            var red256 = Math.round(color.red * 255), green256 = Math.round(color.green * 255), blue256 = Math.round(color.blue * 255);
            var label;
            if (color.alpha === 1) {
                label = "rgb(" + red256 + ", " + green256 + ", " + blue256 + ")";
            }
            else {
                label = "rgba(" + red256 + ", " + green256 + ", " + blue256 + ", " + color.alpha + ")";
            }
            result.push({ label: label, textEdit: vscode_languageserver_types_1.TextEdit.replace(range, label) });
            if (color.alpha === 1) {
                label = "#" + toTwoDigitHex(red256) + toTwoDigitHex(green256) + toTwoDigitHex(blue256);
            }
            else {
                label = "#" + toTwoDigitHex(red256) + toTwoDigitHex(green256) + toTwoDigitHex(blue256) + toTwoDigitHex(Math.round(color.alpha * 255));
            }
            result.push({ label: label, textEdit: vscode_languageserver_types_1.TextEdit.replace(range, label) });
            var hsl = facts_1.hslFromColor(color);
            if (hsl.a === 1) {
                label = "hsl(" + hsl.h + ", " + Math.round(hsl.s * 100) + "%, " + Math.round(hsl.l * 100) + "%)";
            }
            else {
                label = "hsla(" + hsl.h + ", " + Math.round(hsl.s * 100) + "%, " + Math.round(hsl.l * 100) + "%, " + hsl.a + ")";
            }
            result.push({ label: label, textEdit: vscode_languageserver_types_1.TextEdit.replace(range, label) });
            return result;
        };
        CSSNavigation.prototype.doRename = function (document, position, newName, stylesheet) {
            var _a;
            var highlights = this.findDocumentHighlights(document, position, stylesheet);
            var edits = highlights.map(function (h) { return vscode_languageserver_types_1.TextEdit.replace(h.range, newName); });
            return {
                changes: (_a = {}, _a[document.uri] = edits, _a)
            };
        };
        return CSSNavigation;
    }());
    exports.CSSNavigation = CSSNavigation;
    function getColorInformation(node, document) {
        var color = facts_1.getColorValue(node);
        if (color) {
            var range = getRange(node, document);
            return { color: color, range: range };
        }
        return null;
    }
    function uriLiteralNodeToDocumentLink(document, uriLiteralNode, documentContext) {
        if (uriLiteralNode.getChildren().length === 0) {
            return null;
        }
        var uriStringNode = uriLiteralNode.getChild(0);
        return uriStringNodeToDocumentLink(document, uriStringNode, documentContext);
    }
    function uriStringNodeToDocumentLink(document, uriStringNode, documentContext) {
        if (!uriStringNode) {
            return null;
        }
        var rawUri = uriStringNode.getText();
        var range = getRange(uriStringNode, document);
        // Make sure the range is not empty
        if (range.start.line === range.end.line && range.start.character === range.end.character) {
            return null;
        }
        if (strings_1.startsWith(rawUri, "'") || strings_1.startsWith(rawUri, "\"")) {
            rawUri = rawUri.slice(1, -1);
        }
        var target;
        if (strings_1.startsWith(rawUri, 'http://') || strings_1.startsWith(rawUri, 'https://')) {
            target = rawUri;
        }
        else if (/^\w+:\/\//g.test(rawUri)) {
            target = rawUri;
        }
        else {
            target = documentContext.resolveReference(rawUri, document.uri);
        }
        return {
            range: range,
            target: target
        };
    }
    function getRange(node, document) {
        return vscode_languageserver_types_1.Range.create(document.positionAt(node.offset), document.positionAt(node.end));
    }
    function getHighlightKind(node) {
        if (node.type === nodes.NodeType.Selector) {
            return vscode_languageserver_types_1.DocumentHighlightKind.Write;
        }
        if (node instanceof nodes.Identifier) {
            if (node.parent && node.parent instanceof nodes.Property) {
                if (node.isCustomProperty) {
                    return vscode_languageserver_types_1.DocumentHighlightKind.Write;
                }
            }
        }
        if (node.parent) {
            switch (node.parent.type) {
                case nodes.NodeType.FunctionDeclaration:
                case nodes.NodeType.MixinDeclaration:
                case nodes.NodeType.Keyframe:
                case nodes.NodeType.VariableDeclaration:
                case nodes.NodeType.FunctionParameter:
                    return vscode_languageserver_types_1.DocumentHighlightKind.Write;
            }
        }
        return vscode_languageserver_types_1.DocumentHighlightKind.Read;
    }
    function toTwoDigitHex(n) {
        var r = n.toString(16);
        return r.length !== 2 ? '0' + r : r;
    }
});
