var appInsLogLevel = "";

function setAppInstallLogLevel() {
    var level = logLevel.value;
    fetch("/api/app-install/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);
                });
            }
            appInsLogLevel = level;
        })
        .catch(function (e) {
            logLevel.value = appInsLogLevel;
        });
}

function getAppInstallLogLevel() {
    fetch("/api/app-install/loglevel")
        .then(function (r) {
            if (!r.ok) {
                return r.text().then(function (t) {
                    throw new Error(t);
                });
            }
            return r.json();
        })
        .then(function (d) {
            appInsLogLevel = d.log_level;
            logLevel.value = d.log_level;
        })
        .catch(function (e) {
            appInsLogLevel = "";
            logLevel.value = "";
        });
}

function downloadAppInstallLogFile(event) {
    var btn = event.currentTarget;
    btn.disabled = true;
    fetch("/api/app-install/logfile")
        .then(function (r) {
            if (!r.ok) {
                throw new Error("HTTP " + r.status);
            }
            var disposition = r.headers.get("Content-Disposition");
            var filename = "app-install.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 restartAppInstallService(event) {
    if (!confirm("确定重启应该管理服务吗？")) {
        return;
    }
    var btn = event.currentTarget;
    btn.disabled = true;
    fetch("/api/app-install/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 appInsStatusTimer = null;
var userAppOperating = false;

function getAppInstallStatus() {
    if (userAppOperating || userAppUploading) {
        return;
    }
    fetch("/api/app-install/status")
        .then(function (r) {
            if (!r.ok) {
                throw new Error("HTTP " + r.status);
            }
            return r.json();
        })
        .then(function (data) {
            [
                "avar1",
                "avar2",
                "avar3",
                "avar4",
                "bvar1",
                "bvar2",
                "bvar3",
                "bvar4",
                "bvar5",
                "cvar1",
                "cvar2",
                "cvar3",
                "cvar4",
                "cvar5",
            ].forEach(function (id) {
                setText(id, data[id], "page6");
            });
            updateAppInstallButtons(Number(data.state));
        })
        .catch(function (e) {
            console.error("getAppInstallStatus() failed:", e);
            [
                "avar1",
                "avar2",
                "avar3",
                "avar4",
                "bvar1",
                "bvar2",
                "bvar3",
                "bvar4",
                "bvar5",
                "cvar1",
                "cvar2",
                "cvar3",
                "cvar4",
                "cvar5",
            ].forEach(function (id) {
                setText(id, null, "page6");
            });
            updateAppInstallButtons(-1);
        });
    getAppInstallLogLevel();
}

function startAppInstallStatusRefresh() {
    if (appInsStatusTimer) {
        return;
    }
    getAppInstallStatus();
    appInsStatusTimer = setInterval(function () {
        getAppInstallStatus();
    }, 5000);
}

function stopAppInstallStatusRefresh() {
    if (appInsStatusTimer) {
        clearInterval(appInsStatusTimer);
        appInsStatusTimer = null;
    }
}

function updateAppInstallButtons(state) {
    switch (state) {
        case 0: // 无安装包, 等待上传
            setBtnStatus("btn1", true, "page6");
            setBtnStatus("btn2", false, "page6");
            setBtnStatus("btn3", false, "page6");
            setBtnStatus("btn4", false, "page6");
            setBtnStatus("btn5", false, "page6");
            setBtnStatus("btn6", false, "page6");
            break;
        case 1: // 有安装包, 未安装时
            setBtnStatus("btn1", false, "page6");
            setBtnStatus("btn2", true, "page6");
            setBtnStatus("btn3", true, "page6");
            setBtnStatus("btn4", true, "page6");
            setBtnStatus("btn5", false, "page6");
            setBtnStatus("btn6", false, "page6");
            break;
        case 2: // 有安装包, 已安装时
            setBtnStatus("btn1", false, "page6");
            setBtnStatus("btn2", true, "page6");
            setBtnStatus("btn3", false, "page6");
            setBtnStatus("btn4", false, "page6");
            setBtnStatus("btn5", true, "page6");
            setBtnStatus("btn6", true, "page6");
            break;
        case 4: // 禁用所有, 特殊操作
            setBtnStatus("btn1", false, "page6");
            setBtnStatus("btn2", false, "page6");
            setBtnStatus("btn3", false, "page6");
            setBtnStatus("btn4", false, "page6");
            setBtnStatus("btn5", false, "page6");
            setBtnStatus("btn6", false, "page6");
            break;
        default:
            setBtnStatus("btn1", true, "page6");
            setBtnStatus("btn2", true, "page6");
            setBtnStatus("btn3", true, "page6");
            setBtnStatus("btn4", true, "page6");
            setBtnStatus("btn5", true, "page6");
            setBtnStatus("btn6", true, "page6");
            break;
    }
}
var userAppUploading = false;

function onBtn1Click() {
    if (userAppUploading) {
        return;
    }
    document.getElementById("userAppPkg").click();
}

function uploadUserAppPkg(input) {
    var file = input.files[0];
    if (!file) {
        return;
    }
    if (!file.name.toLowerCase().endsWith(".tar.gz")) {
        alert("只允许上传 tar.gz 类型的文件");
        input.value = "";
        return;
    }
    userAppUploading = true;
    setBtnStatus("btn1", false, "page6");
    var formData = new FormData();
    formData.append("file", file);
    var xhr = new XMLHttpRequest();
    xhr.open("POST", "/api/app-install/uploadUserAppPkg", true);
    xhr.timeout = 600000; // 10分钟
    xhr.upload.onprogress = function (e) {
        if (!e.lengthComputable) {
            return;
        }
        var percent = Math.floor((e.loaded * 100) / e.total);
        if (percent >= 100) {
            setText("bvar5", "上传完成，正在处理安装包，请稍候...", "page6");
        } else {
            setText("bvar5", "正在上传 " + file.name + " (" + percent + "%)", "page6");
        }
    };
    xhr.onload = function () {
        if (xhr.status !== 200) {
            userAppUploading = false;
            input.value = "";
            setText("bvar5", "上传失败: " + xhr.responseText, "page6");
            setBtnStatus("btn1", true, "page6");
            return;
        }
        importUserAppPkg("/tmp/" + file.name).finally(function () {
            userAppUploading = false;
            input.value = "";
            setBtnStatus("btn1", true, "page6");
        });
    };
    xhr.onerror = function () {
        userAppUploading = false;
        input.value = "";
        setText("bvar5", "上传失败，请检查网络连接", "page6");
        setBtnStatus("btn1", true, "page6");
    };
    xhr.ontimeout = function () {
        userAppUploading = false;
        input.value = "";
        setText("bvar5", "上传超时，请稍后重新尝试", "page6");
        setBtnStatus("btn1", true, "page6");
    };
    xhr.send(formData);
}

function importUserAppPkg(file) {
    userAppOperating = true;
    stopAppInstallStatusRefresh();
    updateAppInstallButtons(4);
    setText("bvar5", "正在导入当前上传的安装包，请稍候...", "page6");
    return fetch("/api/app-install/importUserAppPkg", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ file: file }),
    })
        .then(function (res) {
            if (!res.ok) {
                return res.text().then(function (t) {
                    throw new Error(t);
                });
            }
            return res.json();
        })
        .then(function (data) {
            if (data.result !== "success") {
                throw new Error("返回结果异常");
            }
            return true;
        })
        .catch(function (err) {
            setText("bvar5", "导入过程中发生错误: " + err.message, "page6");
            return false;
        })
        .finally(function () {
            userAppOperating = false;
            startAppInstallStatusRefresh();
        });
}

function onBtn2Click() {
    window.location.href = "/api/app-install/downloadUserAppPkg";
}

function onBtn3Click() {
    if (!confirm("确定删除当前已上传的安装包吗？")) {
        return;
    }
    userAppOperating = true;
    stopAppInstallStatusRefresh();
    updateAppInstallButtons(4);
    setText("bvar5", "正在删除当前已上传的安装包，请稍候...", "page6");
    fetch("/api/app-install/removeUserAppPkg", {
        method: "POST",
    })
        .then(function (res) {
            if (!res.ok) {
                return res.text().then(function (t) {
                    throw new Error(t);
                });
            }
            return res.json();
        })
        .then(function (data) {
            if (data.result !== "success") {
                throw new Error("返回结果异常");
            }
        })
        .catch(function (err) {
            setText("bvar5", "删除过程中发生错误: " + err.message, "page6");
        })
        .finally(function () {
            userAppOperating = false;
            startAppInstallStatusRefresh();
        });
}

function onBtn4Click() {
    userAppOperating = true;
    stopAppInstallStatusRefresh();
    updateAppInstallButtons(4);
    setText("bvar5", "正在使用当前安装包安装用户应用，请稍候...", "page6");
    fetch("/api/app-install/installUserApp", {
        method: "POST",
    })
        .then(function (res) {
            if (!res.ok) {
                return res.text().then(function (t) {
                    throw new Error(t);
                });
            }
            return res.json();
        })
        .then(function (data) {
            if (data.result !== "success") {
                throw new Error("返回结果异常");
            }
        })
        .catch(function (err) {
            setText("bvar5", "安装过程中发生错误: " + err.message, "page6");
        })
        .finally(function () {
            userAppOperating = false;
            startAppInstallStatusRefresh();
        });
}

function onBtn5Click() {
    if (!confirm("确定卸载当前已经安装的用户应用吗？")) {
        return;
    }
    userAppOperating = true;
    stopAppInstallStatusRefresh();
    updateAppInstallButtons(4);
    setText("bvar5", "正在卸载当前已经安装的用户应用，请稍候...", "page6");
    fetch("/api/app-install/uninstallUserApp", {
        method: "POST",
    })
        .then(function (res) {
            if (!res.ok) {
                return res.text().then(function (t) {
                    throw new Error(t);
                });
            }
            return res.json();
        })
        .then(function (data) {
            if (data.result !== "success") {
                throw new Error("返回结果异常");
            }
        })
        .catch(function (err) {
            setText("bvar5", "卸载过程中发生错误: " + err.message, "page6");
        })
        .finally(function () {
            userAppOperating = false;
            startAppInstallStatusRefresh();
        });
}

function onBtn6Click() {
    if (!confirm("确定重启当前已经安装的用户应用吗？")) {
        return;
    }
    setBtnStatus("btn6", false, "page6");
    fetch("/api/user-app/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 () {
            setBtnStatus("btn6", true, "page6");
        });
}

function initPage6() {
    startAppInstallStatusRefresh();
    connectLog("yfkj-app-install.service", "text1");
}

function exitPage6() {
    stopAppInstallStatusRefresh();
    disconnectLog();
}