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using json = nlohmann::json;

enum NodeType {
    FILE_NODE,
    DIRECTORY_NODE
};

struct TreeNode {
    std::string name;
    NodeType type;
    TreeNode* child; // NULL if it's a file, points to child node if it's a directory

    // Constructor for file node
    TreeNode(const std::string& name, NodeType type) : name(name), type(type), child(nullptr) {}

    // Constructor for directory node
    TreeNode(const std::string& name) : name(name), type(DIRECTORY_NODE), child(nullptr) {}

    // Destructor to recursively delete child nodes
    ~TreeNode() {
        if (type == DIRECTORY_NODE && child != nullptr) {
            delete child;
        }
    }
}; 

void ParseJSON(const json& nodeData, TreeNode& treeNode) {
    if (nodeData.contains("name") && nodeData.contains("type")) {
        treeNode.name = nodeData["name"];
        std::string type = nodeData["type"];
        std::cout << "Parsing node: " << treeNode.name << ", Type: " << type << std::endl;
        if (type == "directory") {
            treeNode.type = DIRECTORY_NODE;
            if (nodeData.contains("children")) {
                treeNode.child = new TreeNode("");
                for (const auto& child : nodeData["children"]) {
                    ParseJSON(child, *treeNode.child);
                }
            }
        }
        else if (type == "file") {
            treeNode.type = FILE_NODE;
        }
    }
}

void DisplayTreeNode(const TreeNode& node) {
    if (node.type == DIRECTORY_NODE) {
        if (ImGui::TreeNode(node.name.c_str())) {
            if (node.child) {
                DisplayTreeNode(*node.child);
            }
            ImGui::TreePop();
        }
    }
    else {
        ImGui::Selectable(node.name.c_str());
    }
}
std::ifstream file("project.json");
json fileTreeJson;
file >> fileTreeJson;
TreeNode root(fileTreeJson["project"]);
ParseJSON(fileTreeJson["root"], root);

int width, height;
glfwGetWindowSize(window, &width, &height);

ImGui::SetNextWindowSize(ImVec2(300, 600), ImGuiCond_FirstUseEver);
ImGui::SetNextWindowPos(ImVec2(width-300, 20), ImGuiCond_FirstUseEver);
ImGui::Begin("Project Explorer");
DisplayTreeNode(root);
ImGui::End();