// G3 日志页（09 §2 P0·G3）：左侧会话列表（✓正常 / ✗崩溃 / ⚠静默失败）+ 右侧日志流 + 崩溃诊断卡片。
// 诊断卡片 = D8 规则引擎结论（命中规则 + 置信度 + 修复动作 + 跳 AI 栏带上下文）。
import { Theme } from "../theme/tokens.slint";
import { Metrics } from "../theme/metrics.slint";
import { UiLogSession, UiLogLine, UiDiagnosis, LogOutcome, LogLevel } from "../models.slint";
import { UiText, TextRole } from "../components/label.slint";
import { AppIcon, IconKind } from "../components/icons.slint";
import { Badge } from "../components/badge.slint";
import { MetroButton, ButtonKind } from "../widgets/button.slint";
import { SearchField } from "../widgets/inputs.slint";
import { PageState } from "../page_state.slint";
import { ListView } from "std-widgets.slint";

component SessionRow inherits Rectangle {
    in property <UiLogSession> data;
    in property <bool> active: false;
    callback clicked();

    height: 52px;
    background: root.active ? Theme.accent-soft : (row-touch.has-hover ? Theme.bg-hover : transparent);

    if root.active : Rectangle {
        x: 0;
        y: 0;
        width: 3px;
        height: root.height;
        background: Theme.accent;
    }

    HorizontalLayout {
        padding-left: Metrics.gap-3;
        padding-right: Metrics.gap-2;
        spacing: Metrics.gap-2;

        AppIcon {
            icon-size: 14px;
            kind: root.data.outcome == LogOutcome.ok ? IconKind.check
                : root.data.outcome == LogOutcome.crashed ? IconKind.error
                : IconKind.warn;
            tint: root.data.outcome == LogOutcome.ok ? Theme.state-success
                : root.data.outcome == LogOutcome.crashed ? Theme.state-danger
                : Theme.state-warn;
        }

        VerticalLayout {
            spacing: 0px;
            vertical-stretch: 1;

            UiText {
                role: TextRole.body;
                text: root.data.instance;
                horizontal-stretch: 1;
            }
            UiText {
                role: TextRole.caption;
                text: root.data.when;
                horizontal-stretch: 1;
            }
        }

        UiText {
            role: TextRole.caption;
            text: root.data.duration;
            width: 56px;
            horizontal-alignment: right;
        }
    }

    row-touch := TouchArea {
        mouse-cursor: pointer;
        clicked => { root.clicked(); }
    }
}

component LogRow inherits Rectangle {
    in property <UiLogLine> line;

    height: 18px;
    background: root.line.level == LogLevel.error
        ? Theme.state-danger-soft
        : transparent;

    UiText {
        x: Metrics.gap-2;
        y: 0;
        width: root.width - 2 * Metrics.gap-2;
        height: root.height;
        role: TextRole.monoSmall;
        text: root.line.text;
        color: root.line.level == LogLevel.error ? Theme.state-danger
            : root.line.level == LogLevel.warn ? Theme.state-warn
            : root.line.level == LogLevel.debug ? Theme.fg-disabled
            : Theme.fg-primary;
    }
}

export component LogsPage inherits Rectangle {
    in property <[UiLogSession]> sessions;
    in property <[UiLogLine]> lines;
    in property <UiDiagnosis> diagnosis;
    in property <bool> has-diagnosis: false;
    in property <bool> live: false;
    in-out property <string> selected: "";
    in-out property <string> query: "";

    callback select(string);
    callback ask-ai(string);
    callback apply-fix();
    callback query-changed(string);
    /// 重新扫会话索引（手动刷新）
    callback refresh();

    background: Theme.bg-canvas;

    HorizontalLayout {
        // ── 左侧会话列表 ─────────────────────────────────────────
        Rectangle {
            width: 248px;
            background: Theme.bg-surface;

            VerticalLayout {
                Rectangle {
                    height: 44px;
                    background: transparent;

                    HorizontalLayout {
                        padding-left: Metrics.gap-3;
                        padding-right: Metrics.gap-2;
                        spacing: Metrics.gap-2;

                        UiText {
                            role: TextRole.bodyStrong;
                            text: "会话";
                            horizontal-stretch: 1;
                        }
                        if root.live : Rectangle {
                            width: 6px;
                            height: 6px;
                            border-radius: 3px;
                            background: Theme.state-success;
                        }
                    }
                }

                ListView {
                    vertical-stretch: 1;

                    for s in root.sessions : SessionRow {
                        data: s;
                        active: root.selected == s.id;
                        clicked => { root.select(s.id); }
                    }
                }
            }
        }

        Rectangle { width: 1px; background: Theme.stroke; }

        // ── 右侧日志流 + 诊断卡片 ────────────────────────────────
        VerticalLayout {
            vertical-stretch: 1;

            // 会话头：标题 + 实时标记 + 筛选 + 刷新（第一行），崩溃日志导入（第二行）
            Rectangle {
                height: 84px;
                background: Theme.bg-surface;

                VerticalLayout {
                    HorizontalLayout {
                        height: 44px;
                        padding-left: Metrics.gap-3;
                        padding-right: Metrics.gap-3;
                        spacing: Metrics.gap-2;

                        UiText {
                            role: TextRole.bodyStrong;
                            text: root.selected == "" ? "未选择会话" : root.selected;
                            horizontal-stretch: 1;
                            overflow: elide;
                        }
                        if root.live : Badge { text: "实时"; tint: Theme.state-success; }
                        SearchField {
                            width: 140px;
                            placeholder: "筛选日志行";
                            text <=> root.query;
                            edited(t) => { root.query-changed(t); }
                        }
                        MetroButton {
                            kind: ButtonKind.subtle;
                            text: "刷新";
                            button-height: 26px;
                            clicked => { root.refresh(); }
                        }
                    }

                    // 崩溃日志导入分析（hs_err_pid*.log / crash-*.txt / latest.log）
                    HorizontalLayout {
                        height: 40px;
                        padding-left: Metrics.gap-3;
                        padding-right: Metrics.gap-3;
                        spacing: Metrics.gap-2;
                        SearchField {
                            horizontal-stretch: 1;
                            placeholder: "崩溃日志路径（如 .minecraft/crash-reports/crash-*.txt）";
                            text <=> PageState.crash-path;
                        }
                        MetroButton {
                            kind: ButtonKind.standard;
                            text: "导入分析";
                            button-height: 26px;
                            enabled: PageState.crash-path != "";
                            clicked => { PageState.crash-import(PageState.crash-path); }
                        }
                    }
                }
            }

            Rectangle { height: 1px; background: Theme.stroke; }

            // 崩溃诊断卡片（D8）
            Rectangle {
                height: root.has-diagnosis ? 76px : 0px;
                visible: root.has-diagnosis;
                background: Theme.state-danger-soft;

                HorizontalLayout {
                    padding: Metrics.gap-3;
                    spacing: Metrics.gap-3;

                    AppIcon { kind: IconKind.error; icon-size: 20px; tint: Theme.state-danger; }

                    VerticalLayout {
                        spacing: 2px;
                        vertical-stretch: 1;

                        HorizontalLayout {
                            spacing: Metrics.gap-2;
                            UiText {
                                role: TextRole.bodyStrong;
                                text: root.diagnosis.title;
                                horizontal-stretch: 1;
                            }
                            Badge {
                                text: "置信度 " + root.diagnosis.confidence + "%";
                                tint: Theme.state-danger;
                            }
                        }
                        UiText {
                            role: TextRole.caption;
                            text: root.diagnosis.hint;
                            horizontal-stretch: 1;
                        }
                    }

                    VerticalLayout {
                        spacing: Metrics.gap-1;
                        alignment: center;

                        if root.diagnosis.has_fix : MetroButton {
                            kind: ButtonKind.standard;
                            text: "修复建议";
                            button-height: 26px;
                            clicked => { root.apply-fix(); }
                        }
                        MetroButton {
                            kind: ButtonKind.subtle;
                            text: "让 AI 详解";
                            button-height: 26px;
                            clicked => { root.ask-ai(root.selected); }
                        }
                    }
                }
            }

            // 日志流（行虚拟化）
            Rectangle {
                vertical-stretch: 1;
                background: Theme.bg-canvas;

                ListView {
                    for l in root.lines : LogRow {
                        line: l;
                        width: root.width;
                    }
                }
            }
        }
    }
}