#include <XCEditor/Panels/UIEditorPanelRegistry.h>
#include <XCEditor/Workspace/UIEditorWindowWorkspaceController.h>
#include <XCEditor/Workspace/UIEditorWindowWorkspaceModel.h>
#include <XCEditor/Workspace/UIEditorWorkspaceModel.h>

#include <iostream>
#include <string_view>
#include <vector>

namespace {

using namespace XCEngine::UI::Editor;

bool Require(bool condition, std::string_view message) {
    if (!condition) {
        std::cerr << message << '\n';
        return false;
    }

    return true;
}

UIEditorPanelRegistry BuildPanelRegistry() {
    UIEditorPanelRegistry registry = {};
    registry.panels.push_back(UIEditorPanelDescriptor{
        "scene",
        "Scene",
        UIEditorPanelPresentationKind::Placeholder,
        true,
        true,
        true,
        {},
        {},
    });
    registry.panels.push_back(UIEditorPanelDescriptor{
        "game",
        "Game",
        UIEditorPanelPresentationKind::Placeholder,
        true,
        true,
        true,
        {},
        {},
    });
    return registry;
}

UIEditorWorkspaceModel BuildWorkspace() {
    UIEditorWorkspaceModel workspace = {};
    workspace.root = BuildUIEditorWorkspaceTabStack(
        "root",
        std::vector<UIEditorWorkspaceNode>{
            BuildUIEditorWorkspacePanel("scene-panel", "scene", "Scene"),
            BuildUIEditorWorkspacePanel("game-panel", "game", "Game"),
        },
        0u);
    workspace.activePanelId = "scene";
    return workspace;
}

} // namespace

int main() {
    UIEditorWindowWorkspaceController controller =
        BuildDefaultUIEditorWindowWorkspaceController(
            BuildPanelRegistry(),
            BuildWorkspace(),
            "main");

    const UIEditorWindowWorkspaceValidationResult validation = controller.ValidateState();
    if (!Require(validation.IsValid(), validation.message)) {
        return 1;
    }

    const UIEditorWindowWorkspaceOperationResult detachResult =
        controller.DetachPanelToNewWindow("main", "root", "game", "game-window");
    if (!Require(
            detachResult.status == UIEditorWindowWorkspaceOperationStatus::Changed,
            detachResult.message)) {
        return 1;
    }

    const UIEditorWindowWorkspaceSet& windowSet = controller.GetWindowSet();
    if (!Require(windowSet.windows.size() == 2u, "expected two windows after detach")) {
        return 1;
    }
    if (!Require(windowSet.primaryWindowId == "main", "primary window id changed unexpectedly")) {
        return 1;
    }
    if (!Require(windowSet.activeWindowId == "game-window", "detached window was not activated")) {
        return 1;
    }

    const UIEditorWindowWorkspaceState* const mainWindow =
        FindUIEditorWindowWorkspaceState(windowSet, "main");
    const UIEditorWindowWorkspaceState* const detachedWindow =
        FindUIEditorWindowWorkspaceState(windowSet, "game-window");
    if (!Require(mainWindow != nullptr, "main window state missing")) {
        return 1;
    }
    if (!Require(detachedWindow != nullptr, "detached window state missing")) {
        return 1;
    }
    if (!Require(
            detachedWindow->workspace.activePanelId == "game",
            "detached workspace active panel mismatch")) {
        return 1;
    }

    return 0;
}