package kanboard

import (
	"context"
	"fmt"
)

// GetAllTaskLinks returns all links for a task.
func (c *Client) GetAllTaskLinks(ctx context.Context, taskID int) ([]TaskLink, error) {
	params := map[string]int{"task_id": taskID}

	var result []TaskLink
	if err := c.call(ctx, "getAllTaskLinks", params, &result); err != nil {
		return nil, fmt.Errorf("getAllTaskLinks: %w", err)
	}

	return result, nil
}

// CreateTaskLink creates a link between two tasks.
// The linkID specifies the type of relationship (e.g., "blocks", "is blocked by").
// Returns the ID of the created link.
func (c *Client) CreateTaskLink(ctx context.Context, taskID, oppositeTaskID, linkID int) (int, error) {
	params := map[string]int{
		"task_id":          taskID,
		"opposite_task_id": oppositeTaskID,
		"link_id":          linkID,
	}

	var result int
	if err := c.call(ctx, "createTaskLink", params, &result); err != nil {
		return 0, fmt.Errorf("createTaskLink: %w", err)
	}

	if result == 0 {
		return 0, fmt.Errorf("createTaskLink: failed to create link")
	}

	return result, nil
}

// RemoveTaskLink deletes a task link.
func (c *Client) RemoveTaskLink(ctx context.Context, taskLinkID int) error {
	params := map[string]int{"task_link_id": taskLinkID}

	var success bool
	if err := c.call(ctx, "removeTaskLink", params, &success); err != nil {
		return fmt.Errorf("removeTaskLink: %w", err)
	}

	if !success {
		return fmt.Errorf("removeTaskLink: delete failed")
	}

	return nil
}