package client

import (
	"context"
	"encoding/json"
	"fmt"

	"git.franklin.lab/steve.cliff/pcli/model"
)

// ListCreateFields represents the fields required to create a list
type ListCreateFields struct {
	Name     string  `json:"name"`
	Position float64 `json:"position"`
	Type     string  `json:"type"`
}

// ListUpdateFields represents the fields that can be updated for a list
type ListUpdateFields struct {
	Name     *string `json:"name,omitempty"`
	Position *float64 `json:"position,omitempty"`
	Type     *string `json:"type,omitempty"`
	Color    *string `json:"color,omitempty"`
	BoardID  *string `json:"boardId,omitempty"`
}

func (c *Client) CreateList(ctx context.Context, boardId string, fields ListCreateFields) (*model.List, error) {
	data, err := c.Do(ctx, "POST", fmt.Sprintf("/api/boards/%s/lists", boardId), fields)
	if err != nil {
		return nil, err
	}

	var response struct {
		Item model.List `json:"item"`
	}

	if err := json.Unmarshal(data, &response); err != nil {
		return nil, fmt.Errorf("failed to unmarshal list response: %w", err)
	}

	return &response.Item, nil
}

func (c *Client) GetList(ctx context.Context, id string) (*model.List, error) {
	data, err := c.DoNoBody(ctx, "GET", fmt.Sprintf("/api/lists/%s", id))
	if err != nil {
		return nil, err
	}

	var response struct {
		Item model.List `json:"item"`
	}

	if err := json.Unmarshal(data, &response); err != nil {
		return nil, fmt.Errorf("failed to unmarshal list response: %w", err)
	}

	return &response.Item, nil
}

func (c *Client) UpdateList(ctx context.Context, id string, fields ListUpdateFields) (*model.List, error) {
	data, err := c.Do(ctx, "PATCH", fmt.Sprintf("/api/lists/%s", id), fields)
	if err != nil {
		return nil, err
	}

	var response struct {
		Item model.List `json:"item"`
	}

	if err := json.Unmarshal(data, &response); err != nil {
		return nil, fmt.Errorf("failed to unmarshal list response: %w", err)
	}

	return &response.Item, nil
}

func (c *Client) DeleteList(ctx context.Context, id string) error {
	_, err := c.DoNoBody(ctx, "DELETE", fmt.Sprintf("/api/lists/%s", id))
	return err
}