module d_webservice_example.controller.todo_controller;

import d_webservice_example.transport.todo_to : TodoTO;
import std.typecons : Nullable;
import std.uuid : UUID;
import vibe.web.rest : path;

@path("/api/v1/todos")
interface TodoApi
{
    @path("/")
    TodoTO addTodo(string title, string content) @safe;

    @path("/")
    TodoTO[] getTodos() @safe;

    @path("/:uuid")
    TodoTO getTodo(UUID _uuid) @safe;

    @path("/:uuid")
    TodoTO updateTodo(UUID _uuid, Nullable!string title, Nullable!string content) @safe;

    @path("/:uuid")
    void deleteTodo(UUID _uuid) @safe;
}

class TodoController : TodoApi
{
    import d_webservice_example.facade.todo_facade : TodoFacade;
    import d_webservice_example.mapper.todo_mapper : asTodoTO;
    import vibe.core.log : logDiagnostic;

private:
    TodoFacade todoFacade;

public:

    this(TodoFacade todoFacade) nothrow pure @nogc @safe
    {
        this.todoFacade = todoFacade;
    }

    override TodoTO addTodo(string title, string content) @safe
    {
        import d_webservice_example.model.todo : Todo;

        logDiagnostic("Received request to add a todo with title '%s' and content '%s'", title, content);
        return todoFacade.createTodo(Todo(title, content)).asTodoTO;
    }

    override TodoTO[] getTodos() @safe
    {
        import std.algorithm.iteration : map;
        import std.array : array;

        logDiagnostic("Received request to get all todos");
        return todoFacade.getAllTodos.map!asTodoTO.array;
    }

    override TodoTO getTodo(UUID _uuid) @safe
    {

        logDiagnostic("Received request to get todo '%s'", _uuid);
        return todoFacade.getTodoByUuid(_uuid).asTodoTO;
    }

    override TodoTO updateTodo(UUID _uuid, Nullable!string title, Nullable!string content) @safe
    {
        import d_webservice_example.data.todo_update_do : TodoUpdateDO;

        logDiagnostic("Received request to update todo '%s' with title '%s' and content '%s'",
                _uuid, title, content);
        TodoUpdateDO update;
        if (!title.isNull)
            update.title = title.get;
        if (!content.isNull)
            update.content = content.get;

        return todoFacade.updateTodo(_uuid, update).asTodoTO;
    }

    override void deleteTodo(UUID _uuid) @safe
    {
        logDiagnostic("Received request to delete todo '%s'", _uuid);
        todoFacade.deleteTodo(_uuid);
    }
}