#include <cJSON.h>
#include <constants.h>
#include <endpoints/api_v1_controllers.h>
#include <logger.h>
#include <models/junction_tag.h>
#include <models/controller.h>
#include <models/tag.h>

void
api_v1_controllers_GET(struct mg_connection *c, endpoint_args_t *args, struct http_message *hm)
{
    (void)args;
    (void)hm;
    controller_t** all_controllers = controller_get_all();

    cJSON *json = cJSON_CreateArray();

    for(int i = 0; all_controllers[i] != NULL; ++i)
    {
        cJSON *json_controller = controller_to_json(all_controllers[i]);

        cJSON_AddItemToArray(json, json_controller);
    }

    char *json_str = cJSON_Print(json);
    if (json_str == NULL)
    {
        LOG_ERROR("failed to print controllers json\n");
        mg_send_head(c, 500, 2, "Content-Type: application/json\r\n" STANDARD_HEADERS);
        mg_printf(c, "[]");
    }
    else
    {
        mg_send_head(c, 200, strlen(json_str), "Content-Type: application/json\r\n" STANDARD_HEADERS);
        mg_printf(c, "%s", json_str);
        free(json_str);
    }
    cJSON_Delete(json);
    controller_free_list(all_controllers);
}