<template>
    <BasePage :title="$t('mqttadmin.MqttSettings')" :isLoading="dataLoading">
        <BootstrapAlert v-model="showAlert" dismissible :variant="alertType">
            {{ alertMessage }}
        </BootstrapAlert>

        <form @submit="saveMqttConfig">
            <CardElement :text="$t('mqttadmin.MqttConfiguration')" textVariant="text-bg-primary">
                <InputElement
                    :label="$t('mqttadmin.EnableMqtt')"
                    v-model="mqttConfigList.mqtt_enabled"
                    type="checkbox"
                    wide
                />

                <InputElement
                    v-show="mqttConfigList.mqtt_enabled"
                    :label="$t('mqttadmin.VerboseLogging')"
                    v-model="mqttConfigList.mqtt_verbose_logging"
                    type="checkbox"
                    wide
                />

                <InputElement
                    v-show="mqttConfigList.mqtt_enabled"
                    :label="$t('mqttadmin.EnableHass')"
                    v-model="mqttConfigList.mqtt_hass_enabled"
                    type="checkbox"
                    wide
                />
            </CardElement>

            <CardElement
                :text="$t('mqttadmin.MqttBrokerParameter')"
                textVariant="text-bg-primary"
                add-space
                v-show="mqttConfigList.mqtt_enabled"
            >
                <InputElement
                    :label="$t('mqttadmin.Hostname')"
                    v-model="mqttConfigList.mqtt_hostname"
                    type="text"
                    maxlength="128"
                    :placeholder="$t('mqttadmin.HostnameHint')"
                />

                <InputElement
                    :label="$t('mqttadmin.Port')"
                    v-model="mqttConfigList.mqtt_port"
                    type="number"
                    min="1"
                    max="65535"
                />

                <InputElement
                    :label="$t('mqttadmin.ClientId')"
                    v-model="mqttConfigList.mqtt_clientid"
                    type="text"
                    maxlength="64"
                />

                <InputElement
                    :label="$t('mqttadmin.Username')"
                    v-model="mqttConfigList.mqtt_username"
                    type="text"
                    maxlength="64"
                    :placeholder="$t('mqttadmin.UsernameHint')"
                />

                <InputElement
                    :label="$t('mqttadmin.Password')"
                    v-model="mqttConfigList.mqtt_password"
                    type="password"
                    maxlength="64"
                    :placeholder="$t('mqttadmin.PasswordHint')"
                />

                <InputElement
                    :label="$t('mqttadmin.BaseTopic')"
                    v-model="mqttConfigList.mqtt_topic"
                    type="text"
                    maxlength="32"
                    :placeholder="$t('mqttadmin.BaseTopicHint')"
                />

                <InputElement
                    :label="$t('mqttadmin.PublishInterval')"
                    v-model="mqttConfigList.mqtt_publish_interval"
                    type="number"
                    min="5"
                    max="86400"
                    :postfix="$t('mqttadmin.Seconds')"
                />

                <InputElement
                    :label="$t('mqttadmin.CleanSession')"
                    v-model="mqttConfigList.mqtt_clean_session"
                    type="checkbox"
                />

                <InputElement
                    :label="$t('mqttadmin.EnableRetain')"
                    v-model="mqttConfigList.mqtt_retain"
                    type="checkbox"
                />

                <InputElement :label="$t('mqttadmin.EnableTls')" v-model="mqttConfigList.mqtt_tls" type="checkbox" />

                <InputElement
                    v-show="mqttConfigList.mqtt_tls"
                    :label="$t('mqttadmin.RootCa')"
                    v-model="mqttConfigList.mqtt_root_ca_cert"
                    type="textarea"
                    maxlength="2560"
                    rows="10"
                />

                <InputElement
                    v-show="mqttConfigList.mqtt_tls"
                    :label="$t('mqttadmin.TlsCertLoginEnable')"
                    v-model="mqttConfigList.mqtt_tls_cert_login"
                    type="checkbox"
                />

                <InputElement
                    v-show="mqttConfigList.mqtt_tls_cert_login"
                    :label="$t('mqttadmin.ClientCert')"
                    v-model="mqttConfigList.mqtt_client_cert"
                    type="textarea"
                    maxlength="2560"
                    rows="10"
                />

                <InputElement
                    v-show="mqttConfigList.mqtt_tls_cert_login"
                    :label="$t('mqttadmin.ClientKey')"
                    v-model="mqttConfigList.mqtt_client_key"
                    type="textarea"
                    maxlength="2560"
                    rows="10"
                />
            </CardElement>

            <CardElement
                :text="$t('mqttadmin.LwtParameters')"
                textVariant="text-bg-primary"
                add-space
                v-show="mqttConfigList.mqtt_enabled"
            >
                <InputElement
                    :label="$t('mqttadmin.LwtTopic')"
                    v-model="mqttConfigList.mqtt_lwt_topic"
                    type="text"
                    maxlength="32"
                    :prefix="mqttConfigList.mqtt_topic"
                    :placeholder="$t('mqttadmin.LwtTopicHint')"
                />

                <InputElement
                    :label="$t('mqttadmin.LwtOnline')"
                    v-model="mqttConfigList.mqtt_lwt_online"
                    type="text"
                    maxlength="20"
                    :placeholder="$t('mqttadmin.LwtOnlineHint')"
                />

                <InputElement
                    :label="$t('mqttadmin.LwtOffline')"
                    v-model="mqttConfigList.mqtt_lwt_offline"
                    type="text"
                    maxlength="20"
                    :placeholder="$t('mqttadmin.LwtOfflineHint')"
                />

                <div class="row mb-3">
                    <label class="col-sm-2 col-form-label">
                        {{ $t('mqttadmin.LwtQos') }}
                    </label>
                    <div class="col-sm-10">
                        <select class="form-select" v-model="mqttConfigList.mqtt_lwt_qos">
                            <option v-for="qostype in qosTypeList" :key="qostype.key" :value="qostype.key">
                                {{ $t(`mqttadmin.` + qostype.value) }}
                            </option>
                        </select>
                    </div>
                </div>
            </CardElement>

            <CardElement
                :text="$t('mqttadmin.HassParameters')"
                textVariant="text-bg-primary"
                add-space
                v-show="mqttConfigList.mqtt_enabled && mqttConfigList.mqtt_hass_enabled"
            >
                <InputElement
                    :label="$t('mqttadmin.HassPrefixTopic')"
                    v-model="mqttConfigList.mqtt_hass_topic"
                    type="text"
                    maxlength="32"
                    :placeholder="$t('mqttadmin.HassPrefixTopicHint')"
                />

                <InputElement
                    :label="$t('mqttadmin.HassRetain')"
                    v-model="mqttConfigList.mqtt_hass_retain"
                    type="checkbox"
                />

                <InputElement
                    :label="$t('mqttadmin.HassExpire')"
                    v-model="mqttConfigList.mqtt_hass_expire"
                    type="checkbox"
                />

                <InputElement
                    :label="$t('mqttadmin.HassIndividual')"
                    v-model="mqttConfigList.mqtt_hass_individualpanels"
                    type="checkbox"
                />
            </CardElement>

            <FormFooter @reload="getMqttConfig" />
        </form>
    </BasePage>
</template>

<script lang="ts">
import BasePage from '@/components/BasePage.vue';
import BootstrapAlert from '@/components/BootstrapAlert.vue';
import CardElement from '@/components/CardElement.vue';
import FormFooter from '@/components/FormFooter.vue';
import InputElement from '@/components/InputElement.vue';
import type { MqttConfig } from '@/types/MqttConfig';
import { authHeader, handleResponse } from '@/utils/authentication';
import { defineComponent } from 'vue';

export default defineComponent({
    components: {
        BasePage,
        BootstrapAlert,
        CardElement,
        FormFooter,
        InputElement,
    },
    data() {
        return {
            dataLoading: true,
            mqttConfigList: {} as MqttConfig,
            alertMessage: '',
            alertType: 'info',
            showAlert: false,
            qosTypeList: [
                { key: 0, value: 'QOS0' },
                { key: 1, value: 'QOS1' },
                { key: 2, value: 'QOS2' },
            ],
        };
    },
    created() {
        this.getMqttConfig();
    },
    methods: {
        getMqttConfig() {
            this.dataLoading = true;
            fetch('/api/mqtt/config', { headers: authHeader() })
                .then((response) => handleResponse(response, this.$emitter, this.$router))
                .then((data) => {
                    this.mqttConfigList = data;
                    this.dataLoading = false;
                });
        },
        saveMqttConfig(e: Event) {
            e.preventDefault();

            const formData = new FormData();
            formData.append('data', JSON.stringify(this.mqttConfigList));

            fetch('/api/mqtt/config', {
                method: 'POST',
                headers: authHeader(),
                body: formData,
            })
                .then((response) => handleResponse(response, this.$emitter, this.$router))
                .then((response) => {
                    this.alertMessage = this.$t('apiresponse.' + response.code, response.param);
                    this.alertType = response.type;
                    this.showAlert = true;
                });
        },
    },
});
</script>
