// What the blocker is doing right now, and what it will do.
//
// The rules themselves are server-side (edit them in the web UI or below); this
// page is about *enforcement on this machine* — the helper, the hosts file and
// the process watcher.
import QtQuick
import QtQuick.Controls.Material
import QtQuick.Layouts

import "components"

ScrollView {
    id: page
    contentWidth: availableWidth
    clip: true

    ColumnLayout {
        width: page.availableWidth
        spacing: 16

        Banner {
            Layout.fillWidth: true
            visible: !controller.helperInstalled
            text: "The privileged helper is not installed, so websites cannot be blocked. "
                  + "Run: sudo desktop/helper/install.sh"
            actionText: ""
        }

        Banner {
            Layout.fillWidth: true
            visible: controller.blockerError !== ""
            text: controller.blockerError
        }

        ColumnLayout {
            Layout.fillWidth: true
            Layout.margins: 20
            spacing: 16

            Card {
                title: controller.blockerActive ? "🛡  Blocking is ON" : "Blocking is off"
                subtitle: controller.blockerReason

                RowLayout {
                    Layout.fillWidth: true
                    spacing: 20
                    StatTile {
                        label: "Domains"
                        value: controller.blockedDomains.length
                        caption: "redirected to 127.0.0.1"
                    }
                    StatTile {
                        label: "Apps"
                        value: controller.blockedApps.length
                        caption: "closed on sight"
                    }
                    StatTile {
                        label: "Attempts today"
                        value: controller.stats.today ? controller.stats.today.blocked_attempts : 0
                        caption: "and counting"
                    }
                }

                RowLayout {
                    Layout.fillWidth: true
                    Switch {
                        text: "Enforce on this machine"
                        checked: controller.config.enforce_blocking
                        onToggled: controller.setConfig("enforce_blocking", checked)
                    }
                    Switch {
                        text: "Websites"
                        checked: controller.config.block_hosts_file
                        onToggled: controller.setConfig("block_hosts_file", checked)
                    }
                    Switch {
                        text: "Apps"
                        checked: controller.config.block_apps
                        onToggled: controller.setConfig("block_apps", checked)
                    }
                }
            }

            Card {
                title: "Blocked websites"
                subtitle: "One hostname per line. `www.` and `m.` are added automatically."

                TextArea {
                    id: domainsArea
                    Layout.fillWidth: true
                    Layout.minimumHeight: 140
                    wrapMode: TextArea.NoWrap
                    font.family: "Roboto Mono, monospace"
                    text: (controller.settings.blocker ? controller.settings.blocker.blocked_domains : []).join("\n")
                    placeholderText: "youtube.com\nreddit.com\ntwitter.com"
                }
                RowLayout {
                    PrimaryButton {
                        text: "Save websites"
                        onClicked: {
                            var list = domainsArea.text.split("\n").map(function (s) { return s.trim() })
                                .filter(function (s) { return s.length > 0 })
                            controller.patchSettings({ blocker: { blocked_domains: list } })
                        }
                    }
                    Item { Layout.fillWidth: true }
                }
            }

            Card {
                title: "Blocked applications"
                subtitle: "Process names, matched loosely: `steam` also catches `steamwebhelper`."

                TextArea {
                    id: appsArea
                    Layout.fillWidth: true
                    Layout.minimumHeight: 100
                    wrapMode: TextArea.NoWrap
                    font.family: "Roboto Mono, monospace"
                    text: (controller.settings.blocker ? controller.settings.blocker.blocked_apps : []).join("\n")
                    placeholderText: "steam\ndiscord\ntelegram-desktop"
                }
                RowLayout {
                    PrimaryButton {
                        text: "Save applications"
                        onClicked: {
                            var list = appsArea.text.split("\n").map(function (s) { return s.trim() })
                                .filter(function (s) { return s.length > 0 })
                            controller.patchSettings({ blocker: { blocked_apps: list } })
                        }
                    }
                    Item { Layout.fillWidth: true }
                }
            }

            Card {
                title: "When to block"
                subtitle: "Server-side, so every device agrees."

                RowLayout {
                    Layout.fillWidth: true
                    Switch {
                        text: "Blocking enabled"
                        checked: controller.settings.blocker ? controller.settings.blocker.enabled : false
                        onToggled: controller.patchSettings({ blocker: { enabled: checked } })
                    }
                    ComboBox {
                        Layout.preferredWidth: 220
                        model: ["During focus intervals", "Always", "On a schedule"]
                        currentIndex: {
                            var mode = controller.settings.blocker ? controller.settings.blocker.mode : "during_work"
                            return mode === "always" ? 1 : (mode === "scheduled" ? 2 : 0)
                        }
                        onActivated: function (index) {
                            var modes = ["during_work", "always", "scheduled"]
                            controller.patchSettings({ blocker: { mode: modes[index] } })
                        }
                    }
                    Switch {
                        text: "Keep blocking during breaks"
                        checked: controller.settings.blocker ? controller.settings.blocker.block_during_breaks : false
                        onToggled: controller.patchSettings({ blocker: { block_during_breaks: checked } })
                    }
                }
            }

            Card {
                title: "Today's temptations"
                subtitle: "Every attempt the blocker turned away — this is what the daily report jokes about."

                Repeater {
                    model: controller.stats.today ? controller.stats.today.blocked_top : []
                    delegate: RowLayout {
                        required property var modelData
                        Layout.fillWidth: true
                        Label { text: modelData.target; Layout.fillWidth: true }
                        Label { text: "× " + modelData.count; font.weight: Font.DemiBold }
                    }
                }
                Label {
                    visible: !controller.stats.today || controller.stats.today.blocked_top.length === 0
                    text: "Nothing yet today. Either the blocker is off, or you are behaving."
                    opacity: 0.6
                    font.pixelSize: 12
                }
            }
        }
    }

    Component.onCompleted: controller.loadSettings()
}