/**
 * Karaka
 *
 * @package   App
 * @copyright Dennis Eichhorn
 * @license   OMS License 1.0
 * @version   1.0.0
 * @link      https://karaka.app
 */

#include <stdio.h>
#include <stdlib.h>

#include "cOMS/Utils/ApplicationUtils.h"
#include "DataStorage/Database/Connection/ConnectionAbstract.h"
#include "cOMS/Utils/Parser/Json.h"
#include "Stdlib/HashTable.h"

#include "Routes.h"

#ifndef OMS_DEMO
    #define OMS_DEMO false
#endif

typedef struct {
    DataStorage::Database::ConnectionAbstract *db;
    nlohmann::json config;
} App;

App app;

int main(int argc, char **argv)
{
    /* --------------- Basic setup --------------- */

    char *arg = Utils::ApplicationUtils::compile_arg_line(argc, argv);

    // Set program path as cwd
    char *cwd = Utils::ApplicationUtils::cwd();
    if (cwd == NULL) {
        printf("Couldn't get the CWD\n");

        return -1;
    }

    Utils::ApplicationUtils::chdir_application(cwd, argv[0]);

    // Check config
    if (!Utils::FileUtils::file_exists("config.json")) {
        Controller::ApiController::notInstalled(argc, argv);

        return -1;
    }

    /* --------------- App setup --------------- */

    // Load config
    FILE *in = fopen("config.json", "r");
    if (in == NULL) {
        return -1;
    }

    app.config = nlohmann::json::parse(in);

    fclose(in);

    // Setup db connection
    DataStorage::Database::DbConnectionConfig dbdata = (DataStorage::Database::DbConnectionConfig) {
        db       = DataStorage::Database::database_type_from_str(&app.config["db"]["core"]["masters"]["admin"]["db"]),
        database = &app.config["db"]["core"]["masters"]["admin"]["database"],
        host     = &app.config["db"]["core"]["masters"]["admin"]["host"],
        port     = app.config["db"]["core"]["masters"]["admin"]["port"],
        login    = &app.config["db"]["core"]["masters"]["admin"]["login"],
        password = &app.config["db"]["core"]["masters"]["admin"]["password"],
    };

    app->db = DataStorage::Database::create_connection(dbdata);
    app->db->connect();

    /* --------------- Handle request --------------- */

    // Handle routes
    Stdlib::HashTable::ht *routes = generate_routes();
    if (routes == NULL) {
        return -1;
    }

    Fptr ptr = match_route(routes, arg);

    // Dispatch found endpoint
    (*ptr)(argc, argv);

    /* --------------- Cleanup --------------- */

    app->db->close();
    $app->db = NULL;

    Stdlib::HashTable::free_table(routes);
    free(routes);
    routes = NULL;

    free(arg);
    arg = NULL;

    // Reset CWD (don't know if this is necessary)
    #ifdef _WIN32
        _chdir(cwd);
    #else
        chdir(cwd);
    #endif

    free(cwd);
}