package functions

import (
	"fmt"
	"io"
	"log"
	"net/http"

	"github.com/gravitl/netmaker/cli/config"
	"github.com/gravitl/netmaker/models"
)

// GetAllExtClients - fetch all external clients
func GetAllExtClients() *[]models.ExtClient {
	return request[[]models.ExtClient](http.MethodGet, "/api/extclients", nil)
}

// GetNetworkExtClients - fetch external clients associated with a network
func GetNetworkExtClients(networkName string) *[]models.ExtClient {
	return request[[]models.ExtClient](http.MethodGet, "/api/extclients/"+networkName, nil)
}

// GetExtClient - fetch a single external client
func GetExtClient(networkName, clientID string) *models.ExtClient {
	return request[models.ExtClient](http.MethodGet, fmt.Sprintf("/api/extclients/%s/%s", networkName, clientID), nil)
}

// GetExtClientConfig - fetch a wireguard config of an external client
func GetExtClientConfig(networkName, clientID string) string {
	_, ctx := config.GetCurrentContext()
	req, err := http.NewRequest(http.MethodGet, fmt.Sprintf("%s/api/extclients/%s/%s/file", ctx.Endpoint, networkName, clientID), nil)
	if err != nil {
		log.Fatal(err)
	}
	if ctx.MasterKey != "" {
		req.Header.Set("Authorization", "Bearer "+ctx.MasterKey)
	} else {
		req.Header.Set("Authorization", "Bearer "+getAuthToken(ctx, true))
	}
	res, err := http.DefaultClient.Do(req)
	if err != nil {
		log.Fatal(err)
	}
	bodyBytes, err := io.ReadAll(res.Body)
	if err != nil {
		log.Fatal(err)
	}
	return string(bodyBytes)
}

// CreateExtClient - create an external client
func CreateExtClient(networkName, nodeID, extClientID string) {
	if extClientID != "" {
		request[any](http.MethodPost, fmt.Sprintf("/api/extclients/%s/%s", networkName, nodeID), &models.CustomExtClient{
			ClientID: extClientID,
		})
	} else {
		request[any](http.MethodPost, fmt.Sprintf("/api/extclients/%s/%s", networkName, nodeID), nil)
	}
}

// DeleteExtClient - delete an external client
func DeleteExtClient(networkName, clientID string) *models.SuccessResponse {
	return request[models.SuccessResponse](http.MethodDelete, fmt.Sprintf("/api/extclients/%s/%s", networkName, clientID), nil)
}

// UpdateExtClient - update an external client
func UpdateExtClient(networkName, clientID string, payload *models.ExtClient) *models.ExtClient {
	return request[models.ExtClient](http.MethodPut, fmt.Sprintf("/api/extclients/%s/%s", networkName, clientID), payload)
}