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path: root/ar/.local/bin/tmuxopen
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#!/bin/sh

usage() {
  echo "Search for files and open them in Neovim within tmux panes."
  echo ""
  echo "Usage: tmuxopen [OPTIONS]"
  echo ""
  echo "Options:"
  echo "  -h, --help      : Show this help message"
  echo "  -d, --debug     : Enable debug output"
  echo ""
  echo "Controls:"
  echo "  Tab         Select files"
  echo "  Ctrl+f      Search filenames"
  echo "  Ctrl+g      Search file contents"
  echo "  Ctrl+d      Search directories"
  echo ""
  echo "Environment Variables:"
  echo "  NVIM_SEARCH_REGISTRY    Set to the search query, allowing Neovim to highlight matches"
  echo ""
  echo "Example:"
  echo "  tmuxopen             # Run the normal search and open"
  echo "  tmuxopen --debug     # Run with debug output"
}

debug() {
  [ "$DEBUG" -eq 1 ] && echo "DEBUG: $*" >&2
}

get_fzf_output() {
  RG_BIND="ctrl-g:reload:rg --line-number --follow --no-heading --color=always --smart-case --glob '!**/.git/**' --glob '!node_modules/**' '' 2>/dev/null || true"
  FILE_BIND="ctrl-f:reload:rg --follow --files --glob '!**/.git/**' --glob '!node_modules/**' 2>/dev/null || true"
  if command -v fd >/dev/null 2>&1; then
    DIR_BIND="ctrl-d:change-prompt(directory> )+reload(cd \"$HOME\" && echo \"$HOME\"; fd --follow --type d --hidden --absolute-path --color never --exclude .git --exclude node_modules)"
  else
    DIR_BIND="ctrl-d:change-prompt(directory> )+reload(cd \"$HOME\" && find \"$HOME\" -L -type d -name node_modules -prune -o -name .git -prune -o -type d -print)"
  fi

  rg --line-number --follow --no-heading --color=always --smart-case --glob '!**/.git/**' --glob '!LICENSE' '' 2>/dev/null |
    fzf-tmux \
      --ansi --multi --delimiter : \
      --reverse \
      --print-query \
      --preview 'bat --style=numbers --color=always --highlight-line {2} {1} 2>/dev/null || echo "Preview not available"' \
      --preview-window 'right,45%,border-bottom,+{2}+3/3,~3' \
      --bind "$FILE_BIND" \
      --bind "$RG_BIND" \
      --bind "$DIR_BIND" \
      --bind 'ctrl-c:abort' \
      --header "^f filenames, ^g contents, ^d directories"
}

set_nvim_search_variable() {
  raw_output="$1"
  query=$(echo "$raw_output" | head -n1)
  export NVIM_SEARCH_REGISTRY="$query"
}

open_files_in_nvim() {
  pane="$1"
  shift
  file_indices="$*"
  nvim_cmd="nvim"
  for index in $file_indices; do
    file=$(echo "$files" | awk -v idx="$index" '{print $idx}')
    line=$(echo "$lines" | awk -v idx="$index" '{print $idx}')
    nvim_cmd="$nvim_cmd +$line $file"
  done
  nvim_cmd="$nvim_cmd -c 'let @/=\"$NVIM_SEARCH_REGISTRY\"'"
  debug "Running command in pane $pane: $nvim_cmd"
  tmux send-keys -t "$pane" "$nvim_cmd" C-m
}

# Main logic
DEBUG=0

# Parse command line arguments
while [ "$#" -gt 0 ]; do
  case "$1" in
  -d | --debug)
    DEBUG=1
    shift
    ;;
  -h | --help)
    usage
    exit 0
    ;;
  *)
    echo "Unknown option: $1" >&2
    usage
    exit 1
    ;;
  esac
done

for cmd in rg fzf bat tmux nvim; do
  if ! command -v "$cmd" >/dev/null 2>&1; then
    echo "Error: $cmd not found" >&2
    exit 1
  fi
done

if [ -z "$TMUX" ]; then
  echo "Error: Not in a tmux session" >&2
  exit 1
fi

raw_output=$(get_fzf_output)
debug "Raw fzf output:"
debug "$raw_output"
set_nvim_search_variable "$raw_output"

# Split the newline-delimited output into an array, skipping the first line (query)
selections=$(echo "$raw_output" | sed 1d)

debug "Number of selections: $(echo "$selections" | wc -l)"
debug "Selections:"
debug "$selections"
if [ -z "$selections" ]; then
  debug "No selections made"
  exit 0
fi

files=""
lines=""
count=0

# Use a here document to avoid subshell issues
while IFS= read -r selection; do
  file=$(echo "$selection" | awk -F: '{print $1}')
  line=$(echo "$selection" | awk -F: '{print $2}')
  debug "Processing selection: $selection"
  debug "File: $file, Line: $line"
  if [ -f "$file" ]; then
    files="$files $file"
    lines="$lines $line"
    count=$((count + 1))
  else
    debug "File not found: $file"
  fi
done <<EOF
$selections
EOF

debug "Number of valid files: $count"
debug "Valid files:"
debug "$files"
if [ "$count" -eq 0 ]; then
  debug "No valid files selected"
  exit 0
fi

if [ "$count" -eq 1 ]; then
  debug "Opening single file"
  open_files_in_nvim "$(tmux display-message -p '#P')" 1
else
  debug "Opening multiple files"
  window_name="TheSiahxyz-$(date +%s)"
  tmux new-window -n "$window_name"
  case "$count" in
  2)
    debug "Opening 2 files side-by-side"
    tmux split-window -t "$window_name" -h -p 50
    open_files_in_nvim "$window_name.1" 1
    open_files_in_nvim "$window_name.2" 2
    tmux select-pane -t "$window_name.1"
    ;;
  3)
    debug "Opening 3 files"
    tmux split-window -t "$window_name" -h -p 50
    tmux split-window -t "$window_name.2" -v -p 50
    open_files_in_nvim "$window_name.1" 1
    open_files_in_nvim "$window_name.2" 2
    open_files_in_nvim "$window_name.3" 3
    ;;
  *)
    debug "Opening 4 or more files"
    tmux split-window -t "$window_name" -h -p 50
    tmux split-window -t "$window_name.1" -v -p 50
    tmux split-window -t "$window_name.3" -v -p 50
    open_files_in_nvim "$window_name.1" 1
    open_files_in_nvim "$window_name.2" 2
    open_files_in_nvim "$window_name.3" 3
    remaining_indices=""
    for i in $(seq 4 "$count"); do
      remaining_indices="$remaining_indices $i"
    done
    open_files_in_nvim "$window_name.4" "$remaining_indices"
    ;;
  esac
fi

debug "Script completed"