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

wrapper() {
  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 ""
    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"
  }

  get_fzf_output() {
    # Create temporary files to store search state
    tmp_files="/tmp/search-files-$$"
    tmp_content_query="/tmp/search-content-query-$$"

    # Cleanup on exit
    trap "rm -f $tmp_files $tmp_content_query" EXIT

    rg_fixed_bind="ctrl-g:transform-query(
      echo {q} > $tmp_content_query;
      echo {q}
    )+reload(
      rm -f $tmp_files;
      rg --line-number --follow --fixed-strings --hidden --no-heading --color=always --smart-case --glob '!**/.git/**' --glob '!node_modules/**' {q} 2>/dev/null || true
    )"
    file_bind="ctrl-f:transform-query(
      current_query={q};
      if [ ! -s $tmp_content_query ]; then
        echo \$current_query > $tmp_content_query;
      fi;
      rg --hidden --follow --files-with-matches --no-messages --glob '!**/.git/**' --glob '!node_modules/**' -- \$current_query > $tmp_files;
    )+reload(
      if [ -s $tmp_files ]; then
        if [ -n {q} ]; then
          grep -i -- {q} $tmp_files || true;
        else
          cat $tmp_files;
        fi | while IFS= read -r file; do
          if [ -f \"\$file\" ]; then
            echo \"\$file:1\";
          fi;
        done;
      else
        echo 'No matching files found';
      fi
    )"
    if command -v fd >/dev/null 2>&1; then
      dir_bind="ctrl-d:change-prompt(📁 )+reload(fd --follow --type d --hidden --absolute-path --color never --exclude .git --exclude node_modules --search-path \"\$PWD\")"
    else
      dir_bind="ctrl-d:change-prompt(📁 )+reload(find \"\$PWD\" -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 || bat --color=always {} 2>/dev/null || ls -la {} 2>/dev/null || echo "Preview is not available."' \
        --preview-window 'right,55%,border-bottom,+{2}+3/3,~3' \
        --bind "$file_bind" \
        --bind "$rg_fixed_bind" \
        --bind "$dir_bind" \
        --bind 'ctrl-c:abort' \
        --header "^f filenames | ^g contents | ^d directories" \
        --prompt "🔎 "
  }

  set_nvim_search_variable() {
    raw_output="$1"
    tmp_content_query="/tmp/search-content-query-$$"
    if [ -f "$tmp_content_query" ]; then
      saved_query=$(cat "$tmp_content_query" 2>/dev/null)
      if [ -n "$saved_query" ]; then
        export NVIM_SEARCH_REGISTRY="$saved_query"
        return
      fi
    fi
    query=$(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 @/=\"$NVIM_SEARCH_REGISTRY\"'"
    tmux send-keys -t "$pane" "$nvim_cmd" C-m
  }

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

  raw_output=$(get_fzf_output)
  set_nvim_search_variable "$raw_output"

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

  if [ -z "$selections" ]; then
    echo "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 $2}')
    if [ -f "$file" ]; then
      files="$files $file"
      lines="$lines $line"
      count=$((count + 1))
    else
      echo "File not found: $file"
    fi
  done <<EOF
$selections
EOF

  if [ "$count" -eq 0 ]; then
    echo "No valid files selected"
    exit 0
  fi

  if [ "$count" -eq 1 ]; then
    open_files_in_nvim "$(tmux display-message -p '#P')" 1
  else
    window_name="$(date +%s)"
    tmux new-window -n "$window_name"
    case "$count" in
    2)
      tmux split-window -t "$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 "$window_name.1"
      ;;
    3)
      tmux split-window -t "$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
      ;;
    *)
      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
}

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

wrapper "$@"