For endpoint POST /api/tasks (create task): 1) What input parameters are required? 2) What service parameters are needed for authentication and authorization? 3) Provide an example of a valid JSON request with an array of tag_ids. 4) What HTTP response statuses would you use?

1. Input parameters for POST /api/tasks:

• title (string) — task name, required.
• description (string) — task description, optional.
• due_date (string, ISO 8601 format) — completion date, optional.
• priority (string or int) — task priority, optional.
• tag_ids (array of int) — identifiers of tags associated with the task, optional.

2. Service parameters for authentication and authorization:

• Header Authorization: Bearer <token> — user access token.
• Possibly additional headers or cookies if a session is used.

3. Example of a valid JSON request:

{
  "title": "Create report",
  "description": "Prepare a sales report for the month",
  "due_date": "2024-07-01T18:00:00Z",
  "priority": "high",
  "tag_ids": [12, 34, 56]
}

4. HTTP response statuses:

• 201 Created — task successfully created.
• 400 Bad Request — invalid format or missing required fields.
• 401 Unauthorized — missing or invalid authentication token.
• 403 Forbidden — user does not have permission to create a task.
• 500 Internal Server Error — internal server error.

This set of statuses covers the main interaction scenarios with the API.