"""更新任务基本信息用例"""

from packages.domain import Task
from packages.ports import TaskRepository


class UpdateTaskUseCase:
    """更新任务基本信息"""

    def __init__(self, task_repo: TaskRepository):
        self.task_repo = task_repo

    def execute(
        self,
        task_id: str,
        name: str | None = None,
        description: str | None = None,
        priority: str | None = None,
        assignee_user_id: str | None = None,
    ) -> Task:
        task = self.task_repo.get_by_id(task_id)
        if not task:
            raise ValueError(f"Task {task_id} not found")

        if name is not None:
            task.name = name
        if description is not None:
            task.description = description
        if priority is not None:
            task.priority = priority
        if assignee_user_id is not None:
            task.assignee_user_id = assignee_user_id

        self.task_repo.update(task)
        return task