From c0c7364e4a6473e4593526389b6b17582206c095 Mon Sep 17 00:00:00 2001
From: Levon Gevorgyan <lgevorgyan03@gmail.com>
Date: Tue, 5 May 2026 18:03:25 -0500
Subject: [PATCH] add lyricsify

---
 add-synced-lyrics.sh |   1 +
 lib/0-utils.sh       |  10 ++--
 lib/lyricsify.sh     | 114 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 122 insertions(+), 3 deletions(-)
 create mode 100644 lib/lyricsify.sh

diff --git a/add-synced-lyrics.sh b/add-synced-lyrics.sh
index 8de0591..27ce1df 100755
--- a/add-synced-lyrics.sh
+++ b/add-synced-lyrics.sh
@@ -56,6 +56,7 @@ process_inputs() {
         download_with_lrclib
         download_with_spotify
         download_with_deezer
+        download_with_lyricsify
     )
 
     local numInputs="${#INPUTS[@]}"
diff --git a/lib/0-utils.sh b/lib/0-utils.sh
index ca3e881..11e26be 100644
--- a/lib/0-utils.sh
+++ b/lib/0-utils.sh
@@ -95,6 +95,8 @@ check_required_utils() {
         jq
         librelyrics
         spotify # uv tool install --python 3.8 spotify-cli
+        docker
+        node
     )
     local missing=false
     for util in "${utils[@]}"; do
@@ -131,11 +133,13 @@ cache_command() {
     hash="$(sha256sum <<<"${cmd[*]}")" || return 1
     read -r cacheFile _ <<<"${hash}"
     cacheFilePath="${CACHE_DIR}/${cacheFile}"
-    if [[ -f "${cacheFilePath}" && ${DRY_RUN} == false ]]; then
+    if [[ -f "${cacheFilePath}" ]]; then
+        mapfile -t cmdArr <<<"${cmd[*]}"
+        local skipLines="${#cmdArr[@]}"
         mapfile -t contents <"${cacheFilePath}"
         ret=$?
-        # skip first line since it is the command
-        printf '%s\n' "${contents[@]:1}"
+        # skip N lines respective to the command length
+        printf '%s\n' "${contents[@]:${skipLines}}"
     else
         cmdOut="$(dry "${cmd[@]}")"
         ret=$?
diff --git a/lib/lyricsify.sh b/lib/lyricsify.sh
new file mode 100644
index 0000000..5acf488
--- /dev/null
+++ b/lib/lyricsify.sh
@@ -0,0 +1,114 @@
+#!/usr/bin/env bash
+
+FLARESOLVERR_PORT="${FLARESOLVERR_PORT:-8191}"
+validate_flaresolverr() {
+    local checkMsg="$(curl --connect-timeout 1 -s localhost:${FLARESOLVERR_PORT} | jq -r .msg)"
+
+    if [[ "${checkMsg}" == 'FlareSolverr is ready!' ]]; then
+        return 0
+    fi
+
+    debug echo_debug 'flaresolverr not running, attempting to start with docker'
+    local containerName='flaresolverr'
+    docker inspect ${containerName} &>/dev/null && docker container rm ${containerName}
+
+    echo_if_fail docker run -d \
+        --name=flaresolverr \
+        -p ${FLARESOLVERR_PORT}:${FLARESOLVERR_PORT} \
+        -e LOG_LEVEL=info \
+        --restart unless-stopped \
+        ghcr.io/flaresolverr/flaresolverr:latest
+    local startupRet=$?
+
+    [[ ${startupRet} -ne 0 ]] && return ${startupRet}
+
+    #  wait a little to make sure the container is ready
+    sleep 3
+    return ${startupRet}
+}
+
+get_lyricsify_response() {
+    local isrc="$1"
+
+    validate_flaresolverr || return 1
+
+    local deezerResponse=''
+    deezerResponse="$(get_deezer_isrc_response "${isrc}")" || return 1
+
+    # lyricsify uses artist - song name for URL
+    # so obtain data from deezer
+    local deezerMetadata=(
+        "track .title"
+        "artist .artist.name"
+    )
+    for data in "${deezerMetadata[@]}"; do
+        IFS=' ' read -r env jqFilter <<<"${data}"
+        jqResult="$(jq -r "${jqFilter}" <<<"${deezerResponse}")"
+        if ! jq_result_valid "${jqResult}"; then
+            echo_fail "could not determine lyricsify ${env} for ${isrc}"
+            return 1
+        fi
+        declare "${env}=${jqResult}"
+        debug echo_debug "${env}=${jqResult}"
+    done
+
+    # variables assigned above
+    # shellcheck disable=SC2154
+    artist="${artist,,}"
+    track="${track,,}"
+    artist="${artist// /-}"
+    track="${track// /-}"
+    local lyricsifyUrl="https://www.lyricsify.com/lyrics/${artist}/${track}"
+    debug echo_debug "using ${lyricsifyUrl}"
+
+    local jsonPayload
+    jsonPayload="$(
+        jq -n \
+            --arg cmd 'request.get' \
+            --arg url "${lyricsifyUrl}" \
+            --argjson timeout 60000 \
+            '{cmd: $cmd, url: $url, maxTimeout: $timeout}'
+    )" || return 1
+
+    cache_command \
+        curl \
+        -L \
+        -X POST \
+        "http://localhost:${FLARESOLVERR_PORT}/v1" \
+        -H 'Content-Type: application/json' \
+        --data-raw "${jsonPayload}"
+}
+
+process_lyricsify_response() {
+    local response="$1"
+
+    local responseMessage="$(jq -r '.message' <<<"${response}")"
+    if [[ "${responseMessage}" != 'Challenge solved!' ]]; then
+        debug echo_fail "could not solve challenge"
+        return 1
+    fi
+
+    local solution="$(jq -r '.solution.response' <<<"${response}")"
+
+    local variableSearch='lrcText'
+    while read -r line; do
+        if [[ "${line}" == *"var ${variableSearch} = "* ]]; then
+            node -e "${line} ; console.log(${variableSearch})"
+            return $?
+        fi
+    done <<<"${solution}"
+
+    return 1
+}
+
+DOWNLOAD_FUNCTIONS+=(download_with_lyricsify)
+download_with_lyricsify() {
+    local isrc="$1"
+    local output="$2"
+
+    local lyricsifyResponse syncedLyrics
+    lyricsifyResponse="$(get_lyricsify_response "${isrc}")" || return 1
+    syncedLyrics="$(process_lyricsify_response "${lyricsifyResponse}")" || return 1
+
+    echo "${syncedLyrics}" >"${output}"
+}