var timeLogLevel = "";

function setTimeLogLevel() {
    var level = logLevel.value;
    fetch("/api/time/loglevel", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ level: level }),
    })
        .then(function (r) {
            if (!r.ok) {
                return r.text().then(function (t) {
                    throw new Error(t);
                });
            }
            timeLogLevel = level;
        })
        .catch(function (e) {
            logLevel.value = timeLogLevel;
        });
}

function getTimeLogLevel() {
    fetch("/api/time/loglevel")
        .then(function (r) {
            if (!r.ok) {
                return r.text().then(function (t) {
                    throw new Error(t);
                });
            }
            return r.json();
        })
        .then(function (d) {
            timeLogLevel = d.log_level;
            logLevel.value = d.log_level;
        })
        .catch(function (e) {
            timeLogLevel = "";
            logLevel.value = "";
        });
}

function downloadTimeLogFile(event) {
    var btn = event.currentTarget;
    btn.disabled = true;
    fetch("/api/time/logfile")
        .then(function (r) {
            if (!r.ok) {
                throw new Error("HTTP " + r.status);
            }
            var disposition = r.headers.get("Content-Disposition");
            var filename = "time.log.tar.gz";
            if (disposition) {
                var match = disposition.match(/filename="?([^";]+)"?/);
                if (match) {
                    filename = match[1];
                }
            }
            return r.blob().then(function (blob) {
                return { blob: blob, filename: filename };
            });
        })
        .then(function (res) {
            downloadBlobFile(res.blob, res.filename);
            alert("下载成功");
        })
        .catch(function (e) {
            console.error("download failed:", e);
            alert("下载失败: " + e.message);
        })
        .finally(function () {
            btn.disabled = false;
            btn.textContent = "下载";
        });
}

function restartTimeService(event) {
    if (!confirm("确定重启时间服务吗？")) {
        return;
    }
    var btn = event.currentTarget;
    btn.disabled = true;
    fetch("/api/time/restart", {
        method: "POST",
    })
        .then(function (r) {
            if (!r.ok) {
                return r.text().then(function (t) {
                    throw new Error(t);
                });
            }
            alert("重启成功");
        })
        .catch(function (e) {
            console.error("restart failed:", e);
            alert("重启失败: " + e.message);
        })
        .finally(function () {
            btn.disabled = false;
        });
}
var timeStatusTimer = null;

function getTimeStatus() {
    fetch("/api/time/status")
        .then(function (r) {
            if (!r.ok) {
                throw new Error("HTTP " + r.status);
            }
            return r.json();
        })
        .then(function (data) {
            ["var1", "var2", "var3", "var4", "var5", "var6"].forEach(function (id) {
                return setText(id, data[id], "page3");
            });
        })
        .catch(function (e) {
            console.error("getTimeStatus() failed:", e);
            ["var1", "var2", "var3", "var4", "var5", "var6"].forEach(function (id) {
                return setText(id, null, "page3");
            });
        });
    getTimeLogLevel();
}

function startTimeStatusRefresh() {
    if (timeStatusTimer) {
        return;
    }
    getTimeStatus();
    timeStatusTimer = setInterval(function () {
        getTimeStatus();
    }, 1000);
}

function stopTimeStatusRefresh() {
    if (timeStatusTimer) {
        clearInterval(timeStatusTimer);
        timeStatusTimer = null;
    }
}

function initPage3() {
    startTimeStatusRefresh();
    connectLog("yfkj-timesyncd.service", "text1");
}

function exitPage3() {
    stopTimeStatusRefresh();
    disconnectLog();
}