#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR=$(realpath -- "$(dirname -- "${BASH_SOURCE[0]}")")

IMAGE_REPO="${IMAGE_REPO:-localhost/opencode-dev}"
IMAGE="${IMAGE_REPO}"

if ! podman image exists "$IMAGE"; then
  echo "Image $IMAGE does not exist. Build it first with ./build.sh" >&2
  exit 1
fi

# Folders
BASE_DIR="${OPENCODE_DEV_HOME:-$HOME/opencode-dev}"
PROJECTS_DIR="${PROJECT_DIR:-$BASE_DIR/projects}"
OPC_CONFIG="${OPENCODE_CONFIG:-$BASE_DIR/opencode-config}"
OPC_DATA="${OPENCODE_SHARE_DATA:-$BASE_DIR/opencode-data}"
OPC_CACHE="${OPENCODE_CACHE:-$BASE_DIR/opencode-cache}"
M2_FOLDER="${M2_FOLDER:-$BASE_DIR/m2}"
NPM_MODULES="${NPM_MODULES:-$BASE_DIR/npm-modules}"
NPM_CACHE="${NPM_CACHE:-$BASE_DIR/npm-cache}"
PIP_CACHE="${PIP_CACHE:-$BASE_DIR/pip-cache}"

if [[ ! -d "$PROJECTS_DIR" ]]; then
  echo "Project directory missing: $PROJECTS_DIR" >&2
  exit 1
fi

mkdir -p \
    "$BASE_DIR" \
    "$PROJECTS_DIR" \
    "$OPC_CONFIG" \
    "$OPC_DATA" \
    "$OPC_CACHE" \
    "$M2_FOLDER" \
    "$NPM_MODULES" \
    "$NPM_CACHE" \
    "$PIP_CACHE"

ARGS=(
  run --rm -it
  --name opencode-dev
  --user dev
  --userns=keep-id
  --network=default
  --tz=local

  --security-opt=no-new-privileges
  --cap-drop=ALL

  -v "$OPC_CONFIG:/home/dev/.config/opencode:rw"
  -v "$OPC_DATA:/home/dev/.local/share/opencode:rw"
  -v "$OPC_CACHE:/home/dev/.cache/opencode:rw"
  -v "$M2_FOLDER:/home/dev/.m2:rw"
  -v "$NPM_CACHE:/home/dev/.npm:rw"
  -v "$PIP_CACHE:/home/dev/.cache/pip:rw"
  -v "$PROJECTS_DIR:/workspace:rw"
)

if [[ -f "$HOME/.gitconfig" ]]; then
  ARGS+=(-v "$HOME/.gitconfig:/home/dev/.gitconfig:ro")
else
  echo "WARNING: host .gitconfig not found, using container inner configuration"
fi

# Additional bind mounts:
# ./dev.sh --mount "$HOME/other:/extra"
while (($#)); do
  case "$1" in
    --mount)
      [[ $# -ge 2 ]] || { echo "--mount requires host:container[:ro|rw]" >&2; exit 2; }
      ARGS+=(-v "$2")
      shift 2
      ;;
    *)
      echo "Unknown option: $1" >&2
      exit 2
      ;;
  esac
done

exec podman "${ARGS[@]}" "$IMAGE" bash