#include "manager_docs.h"
#include "DocsManager.h"
#include "keywordshighlighter.h"

using namespace Components;
using namespace Core;
using namespace DataModel;

DocumentsManager::DocumentsManager(Project::ProjectManager *project) : pjtins(project), present_ui(nullptr) {}

void DocumentsManager::setPresent(Components::PresentHost *container) { present_ui = container; }

Project::ProjectManager *DocumentsManager::projectManager() const { return pjtins; }

QList<QString> DocumentsManager::fileTypes() const {
    QList<QString> all_types;
    for (auto &it : factory_map.keys())
        all_types.append(it);
    return all_types;
}

void DocumentsManager::createPackage(const Core::Route &link) { pjtins->operateAccess()->newPackage(link.links()); }

void DocumentsManager::createFile(const Core::Route &group_path, const QString &name, const QString &suffix) {
    auto all_types = fileTypes();
    if (!all_types.contains(suffix))
        throw new SimpleException("指定文件类型无法打开：" + suffix);

    auto midx = convertPath(group_path);
    auto fidx = projectManager()->operateAccess()->newFile(midx, name, suffix);
    auto fileinfo = projectManager()->queryAccess()->queryInfo(fidx);
    factory_map[suffix]->create(fileinfo);
}

void DocumentsManager::renameNode(const Core::Route &node_path, const QString &name) {
    pjtins->operateAccess()->rename(convertPath(node_path), name);

    auto activie_file_nodes = actives();
    if (activie_file_nodes.contains(node_path)) {
        auto inst = convertPresent(node_path);
        inst->applySetting(name);
        doc_openning.remove(node_path);

        auto old_link = node_path.links();
        auto npath = Core::Route::collect(old_link.mid(0, old_link.size() - 1)) | name;
        doc_openning[npath] = inst;

        active(npath);
    }
}

void DocumentsManager::deleteNode(const Core::Route &node_path) {
    auto node_mindex = convertPath(node_path);
    auto file_nodes = pjtins->queryAccess()->filesGather(node_mindex);
    auto activie_file_nodes = actives();

    QList<Core::Route> path_buff;
    for (auto &n : file_nodes) {
        auto target = convertPath(n);
        if (activie_file_nodes.contains(target))
            path_buff << target;
    }

    closeFile(path_buff);
    pjtins->operateAccess()->deleteT(node_mindex);
}

void DocumentsManager::openFile(const QList<Route> &doc_paths) {
    for (auto &it : doc_paths) {
        auto openning = actives();
        if (openning.contains(it)) {
            doc_openning[it]->applySetting(it.links().last());
            active(it);
            continue;
        }

        auto info = pjtins->queryAccess()->queryInfo(convertPath(it));
        if (!info.isFile())
            throw new SimpleException("指向的节点不是文件节点");

        auto view = factory_map[info.suffix()]->newInst(present_ui->hostWidget());
        doc_openning[it] = view;
        view->load(info);
        view->applySetting(it.links().last());
        present_ui->append(view);
    }
}

void DocumentsManager::closeFile(const QList<Core::Route> &doc_paths) {
    auto actives = this->actives();
    for (auto &idx : doc_paths)
        if (actives.contains(idx)) {
            auto inst = convertPresent(idx);
            inst->saveAs();

            present_ui->remove(inst);
            delete inst;
            doc_openning.remove(idx);
        }
}

QModelIndex DocumentsManager::convertPath(const Core::Route &path) {
    auto path_list = path.links();
    auto itor_node = pjtins->model()->item(0);
    while (path_list.size() > 1) {
        auto item = path_list.takeAt(1);
        int idx = 0;
        for (; idx < itor_node->rowCount(); ++idx) {
            if (itor_node->child(idx)->text() == item) {
                itor_node = itor_node->child(idx);
                break;
            }
        }

        if (idx == itor_node->parent()->rowCount())
            throw new SimpleException("指定的path非法：/" + path.links().join("/"));
    }
    return itor_node->index();
}

Route DocumentsManager::convertPath(const QModelIndex &index) {
    Core::Route path;
    auto item = pjtins->model()->itemFromIndex(index);
    while (item != nullptr) {
        path.prepend(item->text().trimmed());
        item = item->parent();
    }

    return path;
}

Route DocumentsManager::convertPresent(MakeTools::FilePresent *ins) const { return doc_openning.key(ins); }

MakeTools::FilePresent *DocumentsManager::convertPresent(const Core::Route &node_path) { return doc_openning[node_path]; }

QList<Route> DocumentsManager::actives() const { return doc_openning.keys(); }

void DocumentsManager::active(const Core::Route &node_path) {
    if (doc_openning.contains(node_path)) {
        auto inst = convertPresent(node_path);
        present_ui->active(inst);
    }
}

void DocumentsManager::save() {
    auto actives_paths = this->actives();
    for (auto &p : actives_paths)
        convertPresent(p)->saveAs();
}

QString DocumentsManager::name() const { return NAME(DocumentsManager); }