#!/bin/bash

set -e

TOOLS="$(ls -d ${ANDROID_HOME}/build-tools/* | tail -1)"

mkdir -p repo/apk
mkdir -p repo/icon

cp -f apk/* repo/apk

cd repo

APKS=( ../apk/*".apk"* )

for APK in ${APKS[@]}; do
    FILENAME=$(basename ${APK})
    BADGING="$(${TOOLS}/aapt dump badging $APK)"

    PACKAGE=$(echo "$BADGING" | grep package:)
    PKGNAME=$(echo $PACKAGE | grep -Po "name='\K[^']+")
    VCODE=$(echo $PACKAGE | grep -Po "versionCode='\K[^']+")
    VNAME=$(echo $PACKAGE | grep -Po "versionName='\K[^']+")

    APPLICATION=$(echo "$BADGING" | grep application:)
    LABEL=$(echo $APPLICATION | grep -Po "label='\K[^']+")

    LANG=$(echo $APK | grep -Po "tachiyomi-\K[^\.]+")

    ICON=$(echo "$BADGING" | grep -Po "application-icon-320.*'\K[^']+")
    unzip -p $APK $ICON > icon/${FILENAME%.*}.png

    jq -n \
        --arg name "$LABEL" \
        --arg pkg "$PKGNAME" \
        --arg apk "$FILENAME" \
        --arg lang "$LANG" \
        --argjson code $VCODE \
        --arg version "$VNAME" \
        '{name:$name, pkg:$pkg, apk:$apk, lang:$lang, code:$code, version:$version}'

done | jq -sr '[.[]]' > index.json