package client

import (
	"context"
	"net/http"
	"strconv"
)

// CreateTask creates a work item in a garden.
func (c *Client) CreateTask(ctx context.Context, gardenID int, input TaskInput) (Task, *Response, error) {
	return c.writeTask(ctx, http.MethodPost, taskCollectionPath(gardenID), input)
}

// Tasks lists work items in a garden.
func (c *Client) Tasks(ctx context.Context, gardenID int) ([]Task, *Response, error) {
	var envelope struct {
		Tasks []Task `json:"tasks"`
	}
	response, err := c.do(ctx, http.MethodGet, taskCollectionPath(gardenID), nil, &envelope)
	return envelope.Tasks, response, err
}

// Task returns one work item within its garden.
func (c *Client) Task(ctx context.Context, gardenID, taskID int) (Task, *Response, error) {
	var envelope struct {
		Task Task `json:"task"`
	}
	response, err := c.do(ctx, http.MethodGet, taskPath(gardenID, taskID), nil, &envelope)
	return envelope.Task, response, err
}

// UpdateTask partially updates a work item within its garden.
func (c *Client) UpdateTask(ctx context.Context, gardenID, taskID int, input TaskInput) (Task, *Response, error) {
	return c.writeTask(ctx, http.MethodPatch, taskPath(gardenID, taskID), input)
}

// DeleteTask removes a work item from its garden.
func (c *Client) DeleteTask(ctx context.Context, gardenID, taskID int) (*Response, error) {
	return c.do(ctx, http.MethodDelete, taskPath(gardenID, taskID), nil, nil)
}

func (c *Client) writeTask(ctx context.Context, method, path string, input TaskInput) (Task, *Response, error) {
	var envelope struct {
		Task Task `json:"task"`
	}
	response, err := c.do(ctx, method, path, input, &envelope)
	return envelope.Task, response, err
}

func taskCollectionPath(gardenID int) string {
	return "v1/gardens/" + strconv.Itoa(gardenID) + "/tasks"
}

func taskPath(gardenID, taskID int) string {
	return taskCollectionPath(gardenID) + "/" + strconv.Itoa(taskID)
}