#!/bin/sh
#
# Blaise — An Object Pascal Compiler
# Copyright (c) 2026 Graeme Geldenhuys
# SPDX-License-Identifier: Apache-2.0 WITH Swift-exception
# Licensed under the Apache License v2.0 with Runtime Library Exception.
# See LICENSE file in the project root for full license terms.
#
# pasbuild-integration-test — Run PDR integration tests for the Blaise compiler.
#
# Phase: none  (standalone — invoke as: pasbuild integration-test)
#
# Preconditions:
#   - pdr must be in PATH
#   - compiler/target/blaise must exist (run 'pasbuild compile' first)
#   - compiler/src/it/ must exist and contain test_*.pas files
#
# Usage:
#   pasbuild integration-test
#   BLAISE=/path/to/blaise pasbuild integration-test

set -e

case "$1" in
  --pasbuild-phase)
    echo "none"
    exit 0
    ;;
esac

# ---- Locate project directory ------------------------------------------------
PROJ="${PASBUILD_PROJECT_DIR:-$1}"
if [ -z "$PROJ" ]; then
  echo "[integration-test] ERROR: project directory not set" >&2
  exit 1
fi

# ---- Locate integration test directory ---------------------------------------
IT_DIR="$PROJ/compiler/src/it"
if [ ! -d "$IT_DIR" ]; then
  echo "[integration-test] ERROR: no integration tests found at $IT_DIR" >&2
  exit 1
fi

if [ -z "$(find "$IT_DIR" -maxdepth 1 -name 'test_*.pas' 2>/dev/null)" ]; then
  echo "[integration-test] ERROR: no test_*.pas files in $IT_DIR" >&2
  exit 1
fi

# ---- Check prerequisites -----------------------------------------------------
if ! command -v pdr > /dev/null 2>&1; then
  echo "[integration-test] ERROR: pdr not found in PATH" >&2
  exit 1
fi

BLAISE_BIN="${BLAISE:-$PROJ/compiler/target/blaise}"
if [ ! -x "$BLAISE_BIN" ]; then
  echo "[integration-test] ERROR: Blaise compiler not found: $BLAISE_BIN" >&2
  echo "  Run 'pasbuild compile -m blaise-compiler' first" >&2
  exit 1
fi

echo "[integration-test] Project  : $PROJ"
echo "[integration-test] Tests    : $IT_DIR"
echo "[integration-test] Blaise   : $BLAISE_BIN"
echo "[integration-test] PDR      : $(command -v pdr)"
echo

# ---- Run tests ---------------------------------------------------------------
BLAISE="$BLAISE_BIN" "$IT_DIR/run_tests.sh"