// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: 2026 A-La-Karte Contributors

import QtQuick
import QtQuick.Controls as QQC2
import QtQuick.Layouts
import QtQuick.Dialogs
import org.kde.kirigami as Kirigami
import org.kde.kirigamiaddons.formcard as FormCard
import org.kde.alakarte

Kirigami.Dialog {
    id: dialog

    property var game: null
    property bool isEditing: game !== null

    signal gameCreated(var game)
    signal gameUpdated(var game)

    title: isEditing ? i18n("Edit Game") : i18n("Add New Game")
    standardButtons: Kirigami.Dialog.NoButton

    width: Math.min(parent.width - Kirigami.Units.gridUnit * 4, Kirigami.Units.gridUnit * 30)

    customFooterActions: [
        Kirigami.Action {
            text: isEditing ? i18n("Apply") : i18n("Add")
            icon.name: isEditing ? "dialog-ok-apply" : "list-add"
            enabled: nameField.text.trim() !== "" && executableField.text.trim() !== ""
            onTriggered: {
                if (isEditing) {
                    game.name = nameField.text.trim()
                    game.developer = developerField.text.trim()
                    game.launchCommand = executableField.text.trim()
                    game.workingDirectory = workingDirField.text.trim()
                    if (selectedCoverPath !== "") {
                        App.setCoverFromFile(game, selectedCoverPath)
                    }
                    App.saveLibrary()
                    gameUpdated(game)
                } else {
                    let newGame = App.createGame(nameField.text.trim(), executableField.text.trim())
                    if (newGame) {
                        newGame.developer = developerField.text.trim()
                        newGame.workingDirectory = workingDirField.text.trim()
                        if (selectedCoverPath !== "") {
                            App.setCoverFromFile(newGame, selectedCoverPath)
                        }
                        App.saveLibrary()
                        gameCreated(newGame)
                    }
                }
                dialog.close()
            }
        },
        Kirigami.Action {
            text: i18n("Cancel")
            icon.name: "dialog-cancel"
            onTriggered: dialog.close()
        }
    ]

    property string selectedCoverPath: ""

    ColumnLayout {
        spacing: 0

        FormCard.FormCard {
            Layout.fillWidth: true

            FormCard.FormTextFieldDelegate {
                id: nameField
                label: i18n("Name")
                text: isEditing && game ? game.name : ""
                placeholderText: i18n("Game title")
                onAccepted: developerField.forceActiveFocus()
            }

            FormCard.FormDelegateSeparator {}

            FormCard.FormTextFieldDelegate {
                id: developerField
                label: i18n("Developer")
                text: isEditing && game ? (game.developer || "") : ""
                placeholderText: i18n("Optional")
                onAccepted: executableField.forceActiveFocus()
            }

            FormCard.FormDelegateSeparator {}

            FormCard.FormTextFieldDelegate {
                id: executableField
                label: i18n("Executable")
                text: isEditing && game ? game.launchCommand : ""
                placeholderText: i18n("/path/to/game or command")
                onAccepted: if (nameField.text.trim() !== "" && text.trim() !== "") {
                    dialog.customFooterActions[0].trigger()
                }
            }

            FormCard.FormDelegateSeparator {}

            FormCard.FormButtonDelegate {
                text: i18n("Browse...")
                icon.name: "document-open"
                onClicked: fileDialog.open()
            }

            FormCard.FormDelegateSeparator {}

            FormCard.FormTextFieldDelegate {
                id: workingDirField
                label: i18n("Working Directory")
                text: isEditing && game ? (game.workingDirectory || "") : ""
                placeholderText: i18n("Optional")
            }
        }

        FormCard.FormCard {
            Layout.fillWidth: true
            Layout.topMargin: Kirigami.Units.largeSpacing

            FormCard.FormHeader {
                title: i18n("Cover Art")
            }

            Item {
                Layout.fillWidth: true
                Layout.preferredHeight: Kirigami.Units.gridUnit * 8
                Layout.margins: Kirigami.Units.largeSpacing

                RowLayout {
                    anchors.fill: parent
                    spacing: Kirigami.Units.largeSpacing

                    Rectangle {
                        Layout.preferredWidth: Kirigami.Units.gridUnit * 5
                        Layout.preferredHeight: Kirigami.Units.gridUnit * 7
                        radius: Kirigami.Units.smallSpacing
                        color: Kirigami.Theme.alternateBackgroundColor
                        border.color: Kirigami.Theme.disabledTextColor
                        border.width: 1

                        Image {
                            anchors.fill: parent
                            anchors.margins: 2
                            source: selectedCoverPath !== "" ? "file://" + selectedCoverPath : 
                                    (isEditing && game && game.coverUrl.toString() !== "" ? game.coverUrl : "")
                            fillMode: Image.PreserveAspectCrop

                            Kirigami.Icon {
                                anchors.centerIn: parent
                                source: "image-x-generic"
                                width: Kirigami.Units.iconSizes.large
                                height: width
                                visible: parent.status !== Image.Ready
                                opacity: 0.5
                            }
                        }
                    }

                    ColumnLayout {
                        Layout.fillWidth: true
                        spacing: Kirigami.Units.smallSpacing

                        QQC2.Button {
                            text: i18n("Choose Cover...")
                            icon.name: "document-open"
                            onClicked: coverDialog.open()
                        }

                        QQC2.Button {
                            text: i18n("Fetch from SteamGridDB")
                            icon.name: "download"
                            enabled: App.steamGridDB.enabled && App.steamGridDB.apiKey.length > 0 && 
                                     nameField.text.trim() !== "" && !App.steamGridDB.busy
                            visible: App.steamGridDB.enabled
                            onClicked: {
                                if (isEditing && game) {
                                    App.steamGridDB.fetchCover(game)
                                }
                            }
                        }

                        QQC2.Button {
                            text: i18n("Clear Cover")
                            icon.name: "edit-clear"
                            visible: selectedCoverPath !== "" || (isEditing && game && game.coverUrl.toString() !== "")
                            onClicked: {
                                selectedCoverPath = ""
                                if (isEditing && game) {
                                    game.coverUrl = ""
                                }
                            }
                        }
                    }
                }
            }
        }

        FormCard.FormCard {
            Layout.fillWidth: true
            Layout.topMargin: Kirigami.Units.largeSpacing

            FormCard.FormHeader {
                title: i18n("Help")
            }

            FormCard.FormTextDelegate {
                text: i18n("To launch an executable, enter its full path:\n\"/path/to/game\"\n\nTo open a file with the default application:\nxdg-open \"/path/to/file\"\n\nIf the path contains spaces, wrap it in quotes.")
                textItem.wrapMode: Text.WordWrap
                textItem.font: Kirigami.Theme.smallFont
            }
        }
    }

    FileDialog {
        id: fileDialog
        title: i18n("Select Executable")
        fileMode: FileDialog.OpenFile
        onAccepted: {
            let path = selectedFile.toString().replace("file://", "")
            if (path.includes(" ")) {
                executableField.text = "\"" + path + "\""
            } else {
                executableField.text = path
            }
        }
    }

    FileDialog {
        id: coverDialog
        title: i18n("Select Cover Image")
        fileMode: FileDialog.OpenFile
        nameFilters: [i18n("Image files (*.png *.jpg *.jpeg *.webp)"), i18n("All files (*)")]
        onAccepted: {
            selectedCoverPath = selectedFile.toString().replace("file://", "")
        }
    }

    function saveCoverImage(game) {
        if (selectedCoverPath === "") return
        
        // Copy cover to app data directory
        let coversPath = StandardPaths.writableLocation(StandardPaths.AppDataLocation) + "/covers"
        let fileName = game.id + ".jpg"
        let destPath = coversPath + "/" + fileName
        
        // Use App to copy the file and set cover URL
        App.setCoverFromFile(game, selectedCoverPath)
    }

    onOpened: {
        nameField.forceActiveFocus()
        selectedCoverPath = ""
    }
}