#include "library/ToolJson.h"

#include <QJsonArray>

#include <algorithm>

namespace core::library {

static QJsonArray pointToJson(const QPointF& p) {
    QJsonArray a;
    a.append(p.x());
    a.append(p.y());
    return a;
}

static QPointF pointFromJson(const QJsonValue& v) {
    const QJsonArray a = v.toArray();
    if (a.size() >= 2) {
        return QPointF(a.at(0).toDouble(0.0), a.at(1).toDouble(0.0));
    }
    return QPointF();
}

QJsonObject toolToJson(const core::Project::Tool& t) {
    QJsonObject o;
    o.insert(QStringLiteral("id"), t.id);
    o.insert(QStringLiteral("displayName"), t.displayName);
    o.insert(QStringLiteral("visible"), t.visible);
    o.insert(QStringLiteral("parentId"), t.parentId);
    o.insert(QStringLiteral("parentOffsetWorld"), pointToJson(t.parentOffsetWorld));
    o.insert(QStringLiteral("originWorld"), pointToJson(t.originWorld));

    o.insert(QStringLiteral("type"), QStringLiteral("bubble"));
    o.insert(QStringLiteral("text"), t.text);
    o.insert(QStringLiteral("fontPx"), t.fontPx);
    QString align = QStringLiteral("center");
    if (t.align == core::Project::Tool::TextAlign::Left) align = QStringLiteral("left");
    if (t.align == core::Project::Tool::TextAlign::Right) align = QStringLiteral("right");
    o.insert(QStringLiteral("align"), align);
    o.insert(QStringLiteral("pointerT"), t.bubblePointerT01);

    QJsonArray vis;
    for (const auto& k : t.visibilityKeys) {
        QJsonObject ko;
        ko.insert(QStringLiteral("frame"), k.frame);
        ko.insert(QStringLiteral("value"), k.value);
        vis.append(ko);
    }
    o.insert(QStringLiteral("visibilityKeys"), vis);

    QJsonArray loc;
    for (const auto& k : t.locationKeys) {
        QJsonObject ko;
        ko.insert(QStringLiteral("frame"), k.frame);
        ko.insert(QStringLiteral("x"), k.value.x());
        ko.insert(QStringLiteral("y"), k.value.y());
        loc.append(ko);
    }
    o.insert(QStringLiteral("locationKeys"), loc);
    return o;
}

bool toolFromJson(const QJsonObject& o, core::Project::Tool& out) {
    core::Project::Tool t;
    t.id = o.value(QStringLiteral("id")).toString();
    t.displayName = o.value(QStringLiteral("displayName")).toString();
    t.visible = o.value(QStringLiteral("visible")).toBool(true);
    t.parentId = o.value(QStringLiteral("parentId")).toString();
    t.parentOffsetWorld = pointFromJson(o.value(QStringLiteral("parentOffsetWorld")));
    t.originWorld = pointFromJson(o.value(QStringLiteral("originWorld")));

    const QString type = o.value(QStringLiteral("type")).toString(QStringLiteral("bubble"));
    if (type != QStringLiteral("bubble")) {
        return false;
    }
    t.type = core::Project::Tool::Type::Bubble;
    t.text = o.value(QStringLiteral("text")).toString();
    t.fontPx = std::clamp(o.value(QStringLiteral("fontPx")).toInt(18), 8, 120);
    const QString align = o.value(QStringLiteral("align")).toString(QStringLiteral("center"));
    if (align == QStringLiteral("left")) t.align = core::Project::Tool::TextAlign::Left;
    else if (align == QStringLiteral("right")) t.align = core::Project::Tool::TextAlign::Right;
    else t.align = core::Project::Tool::TextAlign::Center;
    if (o.contains(QStringLiteral("pointerT"))) {
        t.bubblePointerT01 = std::clamp(o.value(QStringLiteral("pointerT")).toDouble(0.5), 0.0, 1.0);
    } else {
        const QString ptr = o.value(QStringLiteral("pointer")).toString(QStringLiteral("mid"));
        if (ptr == QStringLiteral("left")) t.bubblePointerT01 = 0.12;
        else if (ptr == QStringLiteral("right")) t.bubblePointerT01 = 0.88;
        else t.bubblePointerT01 = 0.5;
    }

    const QJsonArray vis = o.value(QStringLiteral("visibilityKeys")).toArray();
    for (const auto& kv : vis) {
        const QJsonObject ko = kv.toObject();
        core::Project::ToolKeyframeBool k;
        k.frame = ko.value(QStringLiteral("frame")).toInt(0);
        k.value = ko.value(QStringLiteral("value")).toBool(true);
        t.visibilityKeys.push_back(k);
    }
    const QJsonArray loc = o.value(QStringLiteral("locationKeys")).toArray();
    for (const auto& kv : loc) {
        const QJsonObject ko = kv.toObject();
        core::Project::Entity::KeyframeVec2 k;
        k.frame = ko.value(QStringLiteral("frame")).toInt(0);
        k.value = QPointF(ko.value(QStringLiteral("x")).toDouble(0.0), ko.value(QStringLiteral("y")).toDouble(0.0));
        t.locationKeys.push_back(k);
    }
    out = t;
    return true;
}

}  // namespace core::library