#include "globalhelper.hh"
#include "qdir.h"
#include "qsettings.h"
#include "qstandardpaths.h"
#include <array>
#include <QDir>
#include <QStandardPaths>
#include <QSettings>
#include <qt6/QtCore/qcontainerfwd.h>
#include <algorithm>
#include <vector>

const QString IPC_CONFIG_BASEDIR = QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation) + "/tactile";

const QString IPC_CONFIG = "sensor_ipc_config.ini";

const QString APP_VERSION = "0.2.0";
const QString PROFILES_GROUP = "profile";

namespace {

QString tactileTypeToString(Tactile_TYPE type) {
    switch (type) {
        case Tactile_TYPE::PiezoresistiveA:
            return "压阻A型";
        case Tactile_TYPE::PiezoresistiveB:
            return "压阻B型";
        case Tactile_TYPE::Hall:
            return "霍尔型";
    }
    return "霍尔型";
}

Tactile_TYPE tactileTypeFromString(const QString& type) {
    if (type == "压阻A型") {
        return Tactile_TYPE::PiezoresistiveA;
    }
    if (type == "压阻B型") {
        return Tactile_TYPE::PiezoresistiveB;
    }
    return Tactile_TYPE::Hall;
}

} // namespace

GlobalHelper& GlobalHelper::instance() {
    static GlobalHelper instance;
    return instance;
}

GlobalHelper::GlobalHelper() {
    QDir().mkpath(IPC_CONFIG_BASEDIR);
    // qDebug() << "QDir: " << IPC_CONFIG_BASEDIR;
    // ConfigProfile cfg{
    //     .name          = "default",
    //     .type          = Tactile_TYPE::Hall,
    //     .matrix_width  = 3,
    //     .matrix_height = 4,
    //     .range_left    = 200,
    //     .range_right   = 300,
    //     .baud_rate     = 115200
    // };
    // save_profile(cfg, 0);
    load_profiles();
}
void GlobalHelper::load_profiles() {
    QString   str_ipc_config_filename = IPC_CONFIG_BASEDIR + "/" + IPC_CONFIG;
    QSettings settings(str_ipc_config_filename, QSettings::IniFormat);

    config_vec.clear();

    settings.beginGroup(PROFILES_GROUP);
    const auto profile_names = settings.childGroups();
    for (const auto& profile_group_name : profile_names) {
        settings.beginGroup(profile_group_name);

        ConfigProfile profile;
        profile.name          = settings.value("profile_name", profile_group_name).toString();
        profile.type          = tactileTypeFromString(settings.value("type").toString());
        profile.matrix_width  = settings.value("matrix_width", 0).toInt();
        profile.matrix_height = settings.value("matrix_height", 0).toInt();
        profile.range_left    = settings.value("range_left", 0).toInt();
        profile.range_right   = settings.value("range_right", 0).toInt();
        profile.baud_rate     = settings.value("baud_rate", 0).toInt();

        config_vec.push_back(profile);

        settings.endGroup();
    }
    settings.endGroup();
    qDebug() << "profiles: " << config_vec.size();
}

void GlobalHelper::reload_profiles() {
    load_profiles();
}

void GlobalHelper::save_profile(const ConfigProfile& profile, int is_default) {
    QString   str_ipc_config_filename = IPC_CONFIG_BASEDIR + "/" + IPC_CONFIG;
    QSettings settings(str_ipc_config_filename, QSettings::IniFormat);
    settings.beginGroup(PROFILES_GROUP);
    settings.beginGroup(profile.name);
    settings.setValue("profile_name", profile.name);
    settings.setValue("type", tactileTypeToString(profile.type));
    settings.setValue("matrix_width", profile.matrix_width);
    settings.setValue("matrix_height", profile.matrix_height);
    settings.setValue("range_left", profile.range_left);
    settings.setValue("range_right", profile.range_right);
    settings.setValue("baud_rate", profile.baud_rate);
    settings.setValue("is_default", is_default);
    settings.endGroup();
    settings.endGroup();
}

bool GlobalHelper::add_new_profile(QString name, Tactile_TYPE type, int width, int height, int rl, int rr, int baud) {
    ConfigProfile cfg{
        .name          = name,
        .type          = type,
        .matrix_width  = width,
        .matrix_height = height,
        .range_left    = rl,
        .range_right   = rr,
        .baud_rate     = baud
    };

    return add_new_profile(cfg);
}

bool GlobalHelper::add_new_profile(const ConfigProfile& profile) {
    auto item_find = std::find_if(config_vec.begin(), config_vec.end(), [profile](const ConfigProfile& p) {
        return p.name == profile.name;
    });

    if (item_find == config_vec.end()) {
        save_profile(profile);
        config_vec.push_back(profile);
        return true;
    }
    return false;
}

void GlobalHelper::remove_profile(const QString& name) {
    auto item_find = std::find_if(config_vec.begin(), config_vec.end(), [name](const ConfigProfile& p){
        return p.name == name;
    });

    if (item_find != config_vec.end()) {
        config_vec.erase(item_find);
        QString   str_ipc_config_filename = IPC_CONFIG_BASEDIR + "/" + IPC_CONFIG;
        QSettings settings(str_ipc_config_filename, QSettings::IniFormat);
        settings.beginGroup(PROFILES_GROUP);
        settings.remove(name);
        settings.endGroup();
    }
}

std::vector<ConfigProfile>& GlobalHelper::get_all_profile() {
    return config_vec;
}