import QtQuick
import QtQuick.Layouts
import QtQuick.Controls
import QtQuick.Dialogs
// import QtQuick.Controls.
import "./app.js" as App
import "./common"

Rectangle {
    id: root
    property var appId: App.appId
    property var plusFile: App.plusFile
    property var g_user: ""
    property var g_sn: "8441"
    property var appPath: "/"+plusFile+"/"+appId+"/"
    property var firstPath: ""
    property var logDirectory: ""
    property var currentLogfilePath: ""
    property var currentLogResult: ""

    Component.onCompleted: {
        firstPath = common.firstPath()
        console.info("firstPath: " + firstPath)
        console.info("appPath: " + appPath)

        // 初始化应用程序脚本，确保脚本已准备就绪
        common.initAppScript(appId, "log_processor", "log_processor.py", plusFile)
        // common.registAppQml(appId, "file_system_model", "FileSystemModel", "file_system_model.py", plusFile)

        var infos =  projectManager.getInfo("all")
        processInfoDict(infos)      
        g_user = common.getCurrentUser()
        currentLogfilePath = ""
        currentLogResult = ""

    }
    
    function processInfoDict(dict) {
        var curProId = projectManager.getCurrentProId()
        console.log("curProId: " + curProId)
        
        var projects = Object.values(dict)
        projects.forEach(pro => proFilter.model.push(pro))
        
        var currentIndex = projects.findIndex(pro => pro.id === curProId)
        if (currentIndex !== -1) {
            logDirectory = "file:///" + projects[currentIndex].path + "/log"
        }
        proFilter.currentIndex = currentIndex
    }

    gradient: Gradient {
        GradientStop { position: 0.0; color: "#ecf3fb" }
        GradientStop { position: 1.0; color: "#b7d6fb" }
        orientation: Gradient.Horizontal
    }
    ListModel { id: fileListModel }

    function refreshFileList() {
        fileListModel.clear()
        if (logDirectory) {
            var files = common.getTxtFiles(logDirectory)
            for (var i = 0; i < files.length; i++) {
                var fp = files[i].toString()
                fileListModel.append({
                    "fileName": fp.substring(fp.lastIndexOf('/') + 1).replace(/\\/g, '/').split('/').pop(),
                    "filePath": fp
                })
            }
        }
    }

    onLogDirectoryChanged: { refreshFileList() }

    ListModel { id: logModel }

    property string regexPattern: ""

    function applyRegexFilter() {
        // 先拼出所有行（plain + html 两份）
        var plainLines = []
        var htmlLines = []
        for (var i = 0; i < logModel.count; i++) {
            var item = logModel.get(i)
            var plain = "["+item.time+"] ["+item.level+"] ["+item.tag+"] "+item.message
            plainLines.push(plain)
            htmlLines.push('<span style="color:'+item.color+'">'+plain.replace(/&/g,"&amp;").replace(/</g,"&lt;")+'</span>')
        }

        if (!regexPattern) {
            logTextArea.text = htmlLines.join("<br/>")
            return
        }

        try {
            var re = new RegExp(regexPattern, "gim")
            var fullText = plainLines.join("\n")
            var resultHtml = []
            var match
            while ((match = re.exec(fullText)) !== null) {
                // 找到匹配片段，按行拆分后重新着色
                var matchedLines = match[0].split("\n")
                matchedLines.forEach(function(ml) {
                    // 找对应原始行的颜色
                    var idx = plainLines.indexOf(ml)
                    var color = idx >= 0 ? logModel.get(idx).color : "#000"
                    resultHtml.push('<span style="color:'+color+'">'+ml.replace(/&/g,"&amp;").replace(/</g,"&lt;")+'</span>')
                })
            }
            logTextArea.text = resultHtml.join("<br/>")
        } catch(e) {
            logTextArea.text = htmlLines.join("<br/>")
        }
    }
    Rectangle {
        id: bar
        anchors.left: parent.left
        anchors.right: parent.right
        anchors.top: parent.top
        anchors.topMargin: 12
        anchors.leftMargin: 23
        anchors.rightMargin: 23
        height: 45
        radius: 9
        Row{
            anchors.verticalCenter: parent.verticalCenter
            anchors.left: parent.left
            anchors.leftMargin: 12
            spacing: 80
            Text {
                text: "日志文件"
                font.pixelSize: 20
                color: "#000000"
                font.bold: true
            }
         }

        Row {
            anchors.verticalCenter: parent.verticalCenter
            anchors.right: parent.right
            anchors.rightMargin: 15
            spacing: 13
            Text {
                text: "选择工程"
                font.pixelSize: 16
                color: "#000000"
            }
            ComboBox {
                id: proFilter
                width: 150
                model: []
                textRole: "name"
                onActivated: {
                    logDirectory = "file:///" +  model[currentIndex].path + "/log"
                    logModel.clear()
                }
            }
            ComboBox {
                id: levelFilter
                width: 150
                model: ["DEBUG", "INFO", "WARNING", "ERROR"]
                onActivated: {
                    updateLogDisplay()
                }
            }

            ComboBox {
                id: tagFilter
                width: 150
                model: ["ALL"]
                onActivated: {
                    updateLogDisplay()
                }
            }
        }
    }

    Rectangle {
        id: fileSystemViewContainer
        anchors.top: bar.bottom
        anchors.left: parent.left
        anchors.bottom: parent.bottom
        anchors.leftMargin: 23
        anchors.bottomMargin: 12
        anchors.topMargin: 23
        radius: 9
        width: 350
        clip: true
        ListView {
            id: fileSystemView
            anchors.fill: parent
            boundsBehavior: Flickable.StopAtBounds
            ScrollBar.vertical: ScrollBar{}
            anchors.margins: 5
            model: fileListModel
            delegate: ItemDelegate {
                text: model.fileName
                icon.source:  "resource/file.svg"
                background: Rectangle {
                    color: fileSystemView.currentIndex == index ? "#D9D9D9" : "white"
                }
                onClicked: {
                    currentLogfilePath = model.filePath
                    currentLogResult = common.readLogFile(currentLogfilePath)
                    updateLogDisplay()
                    fileSystemView.currentIndex = index
                }
            }

        } 
    }

    function appendTagLogLine(line) {
        try {
            if (tagFilter.currentIndex > 0) {
                if (line.tag.includes(tagFilter.currentText)) {
                    appendLogLine(line)
                }
            }
            else {
                appendLogLine(line)
            }
        } catch(e) {
            console.error("Error in appendTagLogLine:", e)
        }
    }

    function appendLogLine(line) {
        try {
            logModel.append({
                "time": line.time,
                "tag": line.tag,
                "message": line.msg,
                "level": line.level,
                "color": line.color
            })
        } catch(e) {
            console.error("Error in appendLogLine:", e)
        }
    }

    function updateLogDisplay() {
        try {
            logModel.clear()
            var allTags = new Set()
            currentLogResult.split("\n").forEach(function(line) {
                try {
                    var part = line.split("---END")[0]
                    if (part.length > 1) {
                        var item =JSON.parse(part)
                        item.tag.split(",").forEach(tag => allTags.add(tag))
                        switch (levelFilter.currentIndex) {
                            case 0: 
                                appendTagLogLine(item)                      
                                break;
                            case 1: 
                                if(item.level != "DEBUG")
                                {
                                    appendTagLogLine(item)
                                }
                                break;
                            case 2: 
                                if(item.level === "WARNING" || item.level === "ERROR")
                                {
                                    appendTagLogLine(item)
                                }
                                break;
                            case 3:
                                if(item.level === "ERROR")
                                {
                                    appendTagLogLine(item)
                                }
                                break; 
                        }
                    }
                } catch(e) {
                    console.error("Error processing log line:", e)
                }
            })
            tagFilter.model = ["ALL"].concat(Array.from(allTags))
            applyRegexFilter()
        } catch(e) {
            console.error("Error in updateLogDisplay:", e)
        }
    }
    Rectangle {
        id: logViewContainer
        anchors.top: bar.bottom
        anchors.left: fileSystemViewContainer.right
        anchors.right: parent.right
        anchors.bottom: parent.bottom
        anchors.leftMargin: 23
        anchors.bottomMargin: 12
        anchors.topMargin: 23
        anchors.rightMargin: 23
        radius: 9
        clip: true

        // 正则搜索栏
        Rectangle {
            id: searchBar
            anchors.top: parent.top
            anchors.left: parent.left
            anchors.right: parent.right
            anchors.margins: 8
            height: 32
            radius: 6
            color: "#f0f0f0"
            border.color: regexError ? "red" : "#cccccc"
            border.width: 1

            property bool regexError: false

            Row {
                anchors.fill: parent
                anchors.leftMargin: 8
                anchors.rightMargin: 8
                spacing: 6
                Text {
                    anchors.verticalCenter: parent.verticalCenter
                    text: "正则:"
                    font.pixelSize: 13
                    color: "#555"
                }
                TextInput {
                    id: regexInput
                    anchors.verticalCenter: parent.verticalCenter
                    width: parent.width - 50
                    font.pixelSize: 13
                    onTextChanged: {
                        try {
                            if (text) new RegExp(text)
                            searchBar.regexError = false
                        } catch(e) {
                            searchBar.regexError = true
                        }
                        if (!searchBar.regexError) {
                            regexPattern = text
                            applyRegexFilter()
                        }
                    }
                }
            }
        }

        ScrollView {
            anchors.top: searchBar.bottom
            anchors.left: parent.left
            anchors.right: parent.right
            anchors.bottom: parent.bottom
            anchors.margins: 10
            anchors.topMargin: 6
            TextArea {
                id: logTextArea
                readOnly: true
                selectByMouse: true
                textFormat: TextEdit.RichText
                wrapMode: TextEdit.NoWrap
                font.pixelSize: 13
                font.family: "Courier New"
                background: null
                Keys.onPressed: function(event) {
                    if (event.matches(StandardKey.Copy)) {
                        logTextArea.copy()
                        event.accepted = true
                    }
                }
            }
        }
    }


    function updateFileList() {
        try {
            if (logDirectory) {
                var files = common.getTxtFiles(logDirectory)
                deviceFilter.model = ["全部日志"].concat(files.map(function(file) {
                    return file.substring(file.lastIndexOf('/') + 1);
                }))
                return files
            }
            return []
        } catch(e) {
            console.error("Error in updateFileList:", e)
            return []
        }
    }


}