package teslastocksdk

import (
	"context"
	"encoding/json"
	"fmt"
	"net/url"
)

// GetAvailabilities return the car availabilities matching with the provided characteristics.
func (c *Client) GetAvailabilities(ctx context.Context, params AvailabilityParams) (*AvailabilitiesResponse, error) {
	b, err := json.Marshal(params)
	if err != nil {
		return nil, fmt.Errorf("fail to marshal availability params. Error: %w", err)
	}

	queryParams := url.Values{
		"query": {string(b)},
	}

	resp, err := c.get(
		ctx,
		fmt.Sprintf("/inventory/api/v1/inventory-results?%s", queryParams.Encode()),
		nil,
	)
	if err != nil {
		return nil, err
	}

	defer func() { _ = resp.Body.Close() }() // explicitly discard error

	availabilities := AvailabilitiesResponse{}
	if err := json.NewDecoder(resp.Body).Decode(&availabilities); err != nil {
		return nil, fmt.Errorf("fail to unmarshal response. Error: %w", err)
	}

	return &availabilities, nil
}