From 98317a5c95e8f3f4a6d36f62651965e269f1ea9a Mon Sep 17 00:00:00 2001
From: Matheus Albino <matheusalb3213@gmail.com>
Date: Sun, 23 Jun 2024 04:50:38 -0300
Subject: [PATCH] Adds tmux parallel thingy to gdl-update-todo.sh

---
 scripts/shell/gdl-update-todo.sh | 87 ++++++++++++++++++++++++++++++--
 1 file changed, 82 insertions(+), 5 deletions(-)

diff --git a/scripts/shell/gdl-update-todo.sh b/scripts/shell/gdl-update-todo.sh
index 1a1122f..31e7b3c 100755
--- a/scripts/shell/gdl-update-todo.sh
+++ b/scripts/shell/gdl-update-todo.sh
@@ -7,24 +7,33 @@ show_help() {
   echo "Usage: $0 [--custom-grep-search|-c <string>]"
   echo "Options:"
   # echo "  --no-abort-on-found         (optional) The script will not update each gallery download until it finds an already downloaded file."
-  # echo "  --parallel                  (optional) The script will update each gallery download in parallel, with background jobs."
+  # echo "  --parallel-jobs             (optional) The script will update each gallery download in parallel, with multiple background jobs running on your operating system."
+  # echo "  --parallel-tmux             (optional) The script will update each gallery download in parallel, with a tmux session with multiple tabs and panels."
   echo "  --custom-grep-search|-c     (optional) Includes a string to filter the URLs."
 }
 
 should_abort_on_found=true
-should_parallel_download=true
+should_use_parallel_downloads=false
+should_use_parallel_tmux=true
 custom_grep_search=''
 
 while [ "$#" -gt 0 ]; do
   case "$1" in
     --help|-h) show_help; exit ;;
     # --no-abort-on-found) should_abort_on_found=false; shift ;;
-    # --parallel) should_parallel_download=true; shift ;;
+    # --parallel-jobs) should_use_parallel_downloads=true; shift ;;
+    # --parallel-tmux) should_use_parallel_tmux=true; shift ;;
     --custom-grep-search|-c) custom_grep_search="$2"; shift 2 ;;
     *) shift ;;
   esac
 done
 
+if $should_use_parallel_downloads && $should_use_parallel_tmux; then
+  echo "Only one (or none) of these parameters should be used:"
+  echo "    --parallel-jobs"
+  echo "    --parallel-tmux"
+fi
+
 gallery_dl_path=/mnt/e/home/Documents/data-hoarding
 cd "$gallery_dl_path"
 
@@ -72,10 +81,12 @@ fi
 
 sleep 5 &
 
+commands_list=()
+
 for url in ${urls[@]}; do
   gdl_command="$gdl_command_base $url"
 
-  if $should_parallel_download; then
+  if $should_use_parallel_downloads; then
     gdl_command+=' &'
   fi
 
@@ -85,5 +96,71 @@ for url in ${urls[@]}; do
     echo "    $gdl_command"
   fi
 
-  eval $gdl_command
+  if $should_use_parallel_tmux; then
+    # commands_list+=("$gdl_command")
+    commands_list+=("$gdl_command")
+  else
+    eval $gdl_command
+  fi
 done
+
+# debug
+if false; then
+  commands_list=(
+    "echo foo1"
+    "echo foo2"
+    "echo foo3"
+    "echo foo4"
+    "echo foo5"
+    "echo foo6"
+    "echo foo7"
+    "echo foo8"
+    "echo foo9"
+  )
+fi
+
+# debug
+if false; then
+  echo "Commands:"
+
+  for ((i = 0; i < ${#commands_list[@]}; i++)); do
+    command_to_run="${commands_list[$i]}"
+
+    echo "    $command_to_run"
+  done
+  
+  exit 0
+fi
+
+if $should_use_parallel_tmux; then
+  session_name="tmp_gdl-update-todo-`uuidgen | sed 's/[-]//g' | head -c 10; echo;`"
+
+  tmux new-session -d -s $session_name
+
+  current_window_num=0
+  current_panel_num=0
+
+  for ((i = 0; i < ${#commands_list[@]}; i++)); do
+    command_to_run="${commands_list[$i]}"
+
+    if [ "$i" -eq 0 ] || [ $(( i % 4 )) -eq 0 ]; then
+      if [ "$i" -ne 0 ]; then
+        tmux new-window -t $session_name
+      fi
+
+      ((current_window_num++))
+      current_panel_num=1
+
+      tmux split-window -v -t $session_name
+      tmux select-pane -t $session_name:$current_window_num.1
+      tmux split-window -h -t $session_name
+      tmux select-pane -t $session_name:$current_window_num.3
+      tmux split-window -h -t $session_name
+    fi
+
+    tmux select-pane -t $session_name:$current_window_num.$current_panel_num
+    tmux send-keys -t $session_name "$command_to_run" Enter
+
+    ((current_panel_num++))
+  done
+fi