<!--
 Copyright 2024 Google LLC

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
-->

<template>
    <!-- Main container with gradient background -->
    <div
        class="flex flex-wrap align-items-center justify-content-between w-full p-3 shadow-1"
        :style="{ background: 'linear-gradient(to right, #2c3e50, #3498db)' }"
    >
        <!-- File information section -->
        <div class="flex-grow-1 mr-3">
            <h1 class="text-xl m-0 text-white">
                {{ fileName }}
            </h1>
            <p class="text-xs mt-1 mb-0 text-white-alpha-70">
                SHA256:
                <a :href="`https://www.virustotal.com/gui/file/${sha256}`" target="_blank">{{ sha256 }}</a>
            </p>
        </div>

        <!-- Vertical divider -->
        <div class="mx-3 bg-white-alpha-30 hidden sm:block" style="width: 1px; height: 30px"></div>

        <!-- Analysis information section  -->
        <div class="flex-grow-1 mr-3">
            <!-- OS • Program Format • Arch -->
            <div class="flex align-items-center text-sm m-0 line-height-3 text-white">
                <span class="capitalize">{{ data.meta.analysis.os }}</span>
                <span class="ml-2 mr-2 text-white-alpha-30">•</span>
                <span class="uppercase">{{ data.meta.analysis.format }}</span>
                <span class="ml-2 mr-2 text-white-alpha-30">•</span>
                <span>{{ data.meta.analysis.arch === "i386" ? "i386" : data.meta.analysis.arch.toUpperCase() }}</span>
            </div>
            <!-- Flavor • Extractor • capa Version • Timestamp -->
            <div class="flex-wrap align-items-center text-sm m-0 line-height-3 text-white">
                <span class="capitalize">
                    {{ flavor }} analysis with {{ data.meta.analysis.extractor.split(/(Feature)?Extractor/)[0] }}
                </span>
                <!--- Extractor (e.g., CapeExtractor -> Cape, GhidraFeatureExtractor -> Ghidra, ... etc) -->
                <span class="mx-2 text-white-alpha-30">•</span>
                <span>capa v{{ data.meta.version }}</span>
                <span class="mx-2 text-white-alpha-30">•</span>
                <span>{{ new Date(data.meta.timestamp).toLocaleString() }}</span>
            </div>
        </div>

        <!-- Vertical divider -->
        <div class="mx-3 bg-white-alpha-30 hidden sm:block" style="width: 1px; height: 30px"></div>

        <!-- Key metrics section -->
        <div class="flex justify-content-around flex-grow-1">
            <!-- Rules count -->
            <div class="text-center">
                <span class="block text-xl font-bold text-white">{{ keyMetrics.ruleCount }}</span>
                <span class="block text-xs uppercase text-white-alpha-70">Rules</span>
            </div>
            <!-- Namespaces count -->
            <div class="text-center">
                <span class="block text-xl font-bold text-white">{{ keyMetrics.namespaceCount }}</span>
                <span class="block text-xs uppercase text-white-alpha-70">Namespaces</span>
            </div>
            <!-- Functions or Processes count -->
            <div class="text-center">
                <span class="block text-xl font-bold text-white">{{ keyMetrics.functionOrProcessCount }}</span>
                <span class="block text-xs uppercase text-white-alpha-70">
                    {{ flavor === "static" ? "Functions" : "Processes" }}
                </span>
            </div>
        </div>
    </div>
</template>
<script setup>
import { ref, onMounted } from "vue";

const props = defineProps({
    data: {
        type: Object,
        required: true
    }
});

let keyMetrics = ref({
    ruleCount: 0,
    namespaceCount: 0,
    functionOrProcessCount: 0
});

// get the filename from the path, e.g. "malware.exe" from "/home/user/malware.exe"
const fileName = props.data.meta.sample.path.split("/").pop();
// get the flavor from the metadata, e.g. "dynamic" or "static"
const flavor = props.data.meta.flavor;
// get the SHA256 hash from the metadata
const sha256 = props.data.meta.sample.sha256;

// Function to parse metadata and update key metrics
const parseMetadata = () => {
    if (props.data) {
        keyMetrics.value = {
            ruleCount: Object.keys(props.data.rules).length,
            namespaceCount: new Set(Object.values(props.data.rules).map((rule) => rule.meta.namespace)).size,
            functionOrProcessCount:
                props.data.meta.analysis.feature_counts.functions?.length ||
                props.data.meta.analysis.feature_counts.processes?.length
        };
    }
};

// Call parseMetadata when the component is mounted
onMounted(() => {
    parseMetadata();
});
</script>
