let CP_ID = "";

function cp_login() {
    let cp_id = document.getElementById("cpidinput").value.trim();
    if (cp_id.length === 0) {
        return;
    }

    let request_data = {
        action: "cp_login",
        data: {
            cp_id: cp_id
        }
    }
    request(request_data).then(resp_str => {
        let resp = JSON.parse(resp_str);
        if (resp) {
            CP_ID = cp_id;
            cp_report(); // információk letöltése
            show("control_panel");
            hide("loginbox");
        }
    });
}

function cp_report() {
    let request_data = {
        action: "cp_short_info",
        cp_id: CP_ID,
    }
    request(request_data).then(resp_str => {
        // alapinfók kiírása
        let report = JSON.parse(resp_str);
        let short_info = `<h2>Összefoglaló információk</h2> 
            <h4>Szavazatok: ${report["total_votes"]}/${report["total_electors"]}</span></h4>`;
        document.getElementById("short_info").innerHTML = short_info;

        // gombok láthatóságának vezérlése
        cp_refresh_control_buttons(report["state"]);
    });
}

function cp_toggle_publish_results(en) {
    if (en) {
        show("publishbtn");
    } else {
        hide("publishbtn");
    }
}

function cp_refresh_control_buttons(state) {
    if (state["open_for_submit"]) {
        hide("enablesubmitbtn");
        show("disablesubmitbtn");
    } else {
        show("enablesubmitbtn");
        hide("disablesubmitbtn");
    }

    if (state["state"] === "open") {
        hide("openelectionbtn");
        show("closeelectionbtn");
        show("submitbox");
    } else if (state["state"] === "closed") {
        show("openelectionbtn");
        hide("closeelectionbtn");
        hide("submitbox");
    }

    if (state["results_public"]) {
        show("undopublishbtn");
        hide("publishbox");
    } else {
        hide("undopublishbtn");
        show("publishbox");
    }

    if (state["results_public"]) {
        show("undopublishbtn");
        hide("publishbox");
    } else {
        hide("undopublishbtn");
        show("publishbox");
    }
}

function cp_modify_state(cmd) {
    let request_data = {
        action: "cp_mod_state",
        cp_id: CP_ID,
        data: {
            command: cmd
        }
    };

    request(request_data).then(resp_str => {
        let state = JSON.parse(resp_str);
        cp_refresh_control_buttons(state);
    });
}

function cp_internal_totaling(filename) {
    let request_data = {
        action: "cp_generate_plot",
        cp_id: CP_ID
    };

    request(request_data).then(svg => {
        let plotTab = window.open("newtab");
        plotTab.addEventListener("load", () => {
           plotTab.document.write(svg);
        });
    });
}

function cp_download_resport_as_csv() {
    let request_data = {
        action: "cp_csv_report",
        cp_id: CP_ID
    };

    request(request_data).then(resp_str => {
       let csv_url = JSON.parse(resp_str);
       if (csv_url !== "") {
           let link = document.createElement("a");
           link.download = "report.csv";
           link.href = csv_url;
           link.click();
       }
    });
}

function cp_add_access_code() {
    let ac = window.prompt("Új azonosító hozzáadása", "");
    if (ac == null) {
        return;
    }

    let request_data = {
        action: "cp_add_access_code",
        cp_id: CP_ID,
        data: {
            access_code: ac
        }
    };

    request(request_data);
}