#!/usr/bin/env bash
# open_scite.sh
# Usage:
#   ./open_scite.sh [/path/to/file] [line_number] [column_number]
# If no path is provided, a new file named new_file.md is opened in the
# current directory.

set -euo pipefail

if [[ $# -gt 3 ]]; then
  echo "Usage: $0 [linux_path_to_file] [line_number] [column_number]"
  exit 1
fi

DEFAULT_FILE="$PWD/new_file.md"
FILE_LINUX="${1:-$DEFAULT_FILE}"
LINE="${2:-}"
COL="${3:-}"

if ! command -v wslpath >/dev/null 2>&1; then
  echo "Error: wslpath not found." >&2
  exit 1
fi

# Convert Linux path to Windows path
FILE_WIN="$(wslpath -w "$FILE_LINUX")"

# Build goto arg if line/col provided
GOTO_ARG=""
if [[ -n "$LINE" ]]; then
  if ! [[ "$LINE" =~ ^[0-9]+$ ]]; then
    echo "Error: line number must be numeric." >&2
    exit 1
  fi
  if [[ -n "$COL" && ! "$COL" =~ ^[0-9]+$ ]]; then
    echo "Error: column number must be numeric." >&2
    exit 1
  fi
  COL="${COL:-1}"   # default col=1 if only line given
  GOTO_ARG="-goto:$LINE,$COL"
fi

# Debug info
# echo "Opening in SciTE:"
# echo "  FILE_WIN=$FILE_WIN"
# [[ -n "$GOTO_ARG" ]] && echo "  GOTO_ARG=$GOTO_ARG"

# Paths
POWERSHELL="/mnt/c/Windows/System32/WindowsPowerShell/v1.0/powershell.exe"
SCITE="C:\\apps\\scite\\SciTE.exe"

# Launch SciTE
if [[ -n "$GOTO_ARG" ]]; then
  "$POWERSHELL" -NoProfile -Command \
    "Start-Process -FilePath '$SCITE' -ArgumentList \"$FILE_WIN\",\"$GOTO_ARG\""
else
  "$POWERSHELL" -NoProfile -Command \
    "Start-Process -FilePath '$SCITE' -ArgumentList \"$FILE_WIN\""
fi