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<template>
    <div>
        <div
            v-if="!reverseProxyEnabled"
            class="field is-horizontal is-aligned-top"
        >
            <div class="field-label">
                <label class="label">{{ $t('common.reverseProxy') }}</label>
            </div>
            <div class="field-body">
                <div class="field">
                    <div class="control">
                        <label class="text">
                            {{ $t('templates.domainSections.reverseProxy.reverseProxyIsDisabled') }}
                            <template v-if="$parent.$props.data.php.php.computed">
                                <br />
                                {{
                                    $t(
                                        'templates.domainSections.reverseProxy.reverseProxyCannotBeEnabledWithPhp',
                                    )
                                }}
                            </template>
                            <template v-if="$parent.$props.data.python.python.computed">
                                <br />
                                {{
                                    $t(
                                        'templates.domainSections.reverseProxy.reverseProxyCannotBeEnabledWithPython',
                                    )
                                }}
                            </template>
                        </label>
                    </div>
                </div>
            </div>
        </div>

        <div
            v-else
            class="field is-horizontal"
        >
            <div class="field-label">
                <label class="label">{{ $t('common.reverseProxy') }}</label>
            </div>
            <div class="field-body">
                <div :class="`field${reverseProxyChanged ? ' is-changed' : ''}`">
                    <div class="control">
                        <div class="checkbox">
                            <PrettyCheck
                                v-model="reverseProxy"
                                class="p-default p-curve p-fill p-icon"
                            >
                                {{ $t('templates.domainSections.reverseProxy.enableReverseProxy') }}
                            </PrettyCheck>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div
            v-if="pathEnabled"
            class="field is-horizontal"
        >
            <div class="field-label">
                <label class="label">{{ $t('common.path') }}</label>
            </div>
            <div class="field-body">
                <div :class="`field${pathChanged ? ' is-changed' : ''}`">
                    <div class="control">
                        <input
                            v-model="path"
                            class="input"
                            type="text"
                            :placeholder="$props.data.path.default"
                        />
                    </div>
                </div>
            </div>
        </div>

        <div
            v-if="proxyPassEnabled"
            class="field is-horizontal"
        >
            <div class="field-label">
                <label class="label">proxy_pass</label>
            </div>
            <div class="field-body">
                <div :class="`field${proxyPassChanged ? ' is-changed' : ''}`">
                    <div class="control">
                        <input
                            v-model="proxyPass"
                            class="input"
                            type="text"
                            :placeholder="$props.data.proxyPass.default"
                        />
                    </div>
                </div>
            </div>
        </div>

        <div
            v-if="proxyHostHeaderEnabled"
            class="field is-horizontal"
        >
            <div class="field-label">
                <label class="label">
                    {{ $t('templates.domainSections.reverseProxy.proxyHostHeader') }}
                </label>
            </div>
            <div class="field-body">
                <div :class="`field${proxyHostHeaderChanged ? ' is-changed' : ''}`">
                    <div class="control">
                        <input
                            v-model="proxyHostHeader"
                            class="input"
                            type="text"
                            :placeholder="$props.data.proxyHostHeader.default"
                        />
                    </div>
                </div>
            </div>
        </div>
    </div>
</template>

<script>
    import delegatedFromDefaults from '../../util/delegated_from_defaults.js';
    import computedFromDefaults from '../../util/computed_from_defaults.js';
    import PrettyCheck from '../inputs/checkbox.vue';

    const defaults = {
        reverseProxy: {
            default: false,
            enabled: false,
        },
        path: {
            default: '/',
            enabled: false,
        },
        proxyPass: {
            default: 'http://127.0.0.1:3000',
            enabled: false,
        },
        proxyHostHeader: {
            default: '$host',
            enabled: false,
        },
    };

    export default {
        name: 'DomainReverseProxy', // Component name
        display: 'common.reverseProxy', // Display name for tab (i18n key)
        key: 'reverseProxy', // Key for data in parent
        delegated: delegatedFromDefaults(defaults), // Data the parent will present here
        components: {
            PrettyCheck,
        },
        props: {
            data: Object, // Data delegated back to us from parent
        },
        computed: computedFromDefaults(defaults, 'reverseProxy'), // Getters & setters for the delegated data
        watch: {
            // If the PHP or Python is enabled, the Reverse proxy will be forced off
            '$parent.$props.data': {
                handler(data) {
                    // This might cause recursion, but seems not to
                    if (data.php.php.computed || data.python.python.computed) {
                        this.$props.data.reverseProxy.enabled = false;
                        this.$props.data.reverseProxy.computed = false;
                    } else {
                        this.$props.data.reverseProxy.enabled = true;
                        this.$props.data.reverseProxy.computed =
                            this.$props.data.reverseProxy.value;
                    }
                },
                deep: true,
            },
            // Disable all options if Reverse proxy is disabled
            '$props.data.reverseProxy': {
                handler(data) {
                    if (data.computed) {
                        this.$props.data.path.enabled = true;
                        this.$props.data.path.computed = this.$props.data.path.value;
                        this.$props.data.proxyPass.enabled = true;
                        this.$props.data.proxyPass.computed = this.$props.data.proxyPass.value;
                        this.$props.data.proxyHostHeader.enabled = true;
                        this.$props.data.proxyHostHeader.computed =
                            this.$props.data.proxyHostHeader.value;
                    } else {
                        this.$props.data.path.enabled = false;
                        this.$props.data.path.computed = '';
                        this.$props.data.proxyPass.enabled = false;
                        this.$props.data.proxyPass.computed = '';
                        this.$props.data.proxyHostHeader.enabled = false;
                        this.$props.data.proxyHostHeader.computed = '';
                    }
                },
                deep: true,
            },
        },
    };
</script>
