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1/*
2* Copyright (c) 2022 Shenzhen Kaihong Digital Industry Development Co., Ltd.
3* Licensed under the Apache License, Version 2.0 (the "License");
4* you may not use this file except in compliance with the License.
5* You may obtain a copy of the License at
6*
7* http://www.apache.org/licenses/LICENSE-2.0
8*
9* Unless required by applicable law or agreed to in writing, software
10* distributed under the License is distributed on an "AS IS" BASIS,
11* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12* See the License for the specific language governing permissions and
13* limitations under the License.
14*/
15const fs = require('fs');
16const path = require("path");
17let vscode = null;
18try {
19    vscode = require('vscode');
20}
21catch (err) {
22    vscode = null;
23}
24
25class NapiLog {
26    constructor() {
27    }
28}
29NapiLog.LEV_NONE = 0;
30NapiLog.LEV_ERROR = 1;
31NapiLog.LEV_DEBUG = 2;
32NapiLog.LEV_INFO = 3;
33
34const LEV_STR = ["[NON]", "[ERR]", "[DBG]", "[INF]"]
35var logLevel = NapiLog.LEV_ERROR;
36var logFileName = null;
37var logResultMessage = [true, ""]
38
39function getDateString() {
40    let nowDate = new Date();
41    return nowDate.toLocaleString();
42}
43
44function saveLog(dateStr, levStr, detail) {
45    if (logFileName) {
46        let logStr = dateStr + " " + levStr + " " + detail + "\n";
47        fs.appendFileSync(logFileName, logStr);
48    }
49}
50
51NapiLog.init = function (level, fileName) {
52    logLevel = level in [NapiLog.LEV_NONE, NapiLog.LEV_ERROR, NapiLog.LEV_DEBUG, NapiLog.LEV_INFO]
53        ? level : NapiLog.LEV_ERROR;
54    logFileName = fileName ? fileName : "napi_generator.log";
55}
56
57function getCallPath() {
58    let callPath = ""
59    let stackArray = new Error().stack.split('\n');
60    for (let i = stackArray.length -1; i >=0 ; --i) {
61        if (stackArray[i].indexOf("NapiLog.log") > 0 || stackArray[i].indexOf("Function.log") > 0) {
62            let stackMsg = stackArray[i+1].trim()
63            let leftIndex = stackMsg.indexOf("(")
64            let rightIndex = stackMsg.indexOf(")")
65
66            if (leftIndex > 0 && rightIndex > 0) {
67                let funInfo = stackMsg.substring(0, leftIndex);
68                let srcPath = stackMsg.substring(leftIndex + 1, rightIndex)
69                let colNumIndex = srcPath.lastIndexOf(":")
70                let colNum = srcPath.substring(colNumIndex + 1, srcPath.length)
71                let lineNumIndex = srcPath.lastIndexOf(":", colNumIndex - 1)
72                let lineNum = srcPath.substring(lineNumIndex + 1, colNumIndex)
73                let filePath = srcPath.substring(0, lineNumIndex)
74
75                callPath = "%s[%s(%s:%s)]".format(funInfo,filePath,lineNum,colNum)
76            }
77            break;
78        }
79    }
80
81    return callPath;
82}
83
84function print(...args) {
85    if (vscode) {
86        vscode.window.showInformationMessage(...args);
87    }
88    console.log(args + "");
89}
90
91function recordLog(lev, ...args) {
92    let origMsgInfo = args;
93    let callPath = getCallPath();
94    let dataStr = getDateString();
95    let detail = args.join(" ");
96    saveLog(dataStr  + " " + callPath, LEV_STR[lev], detail);
97    if (lev == NapiLog.LEV_ERROR) {
98        logResultMessage = [false, detail];
99    }
100    let logStr = callPath + " " + detail;
101    if (logLevel <= lev) return logStr;
102    NapiLog.logInfo(origMsgInfo[0]);
103    return logStr;
104}
105
106NapiLog.logError = function (...args) {
107    let logInfo = recordLog(NapiLog.LEV_ERROR, args);
108    print(logInfo);
109}
110
111NapiLog.logDebug = function (...args) {
112    recordLog(NapiLog.LEV_DEBUG, args);
113}
114
115NapiLog.logInfo = function (...args) {
116    recordLog(NapiLog.LEV_INFO, args);
117}
118
119NapiLog.getResult = function () {
120    return logResultMessage;
121}
122
123module.exports = {
124    NapiLog
125}