#!/bin/sh
# m2-GTK4 test runner - builds each tests/*.mod with gm2 and runs it.
# Usage: ./tests/run_tests.sh
# GUI tests are skipped automatically when no display is available.
set -e
CDIR=$(dirname "$0")
ROOT=$(cd "$CDIR/.." && pwd)
BIN="$ROOT/build/tests"
OBJ="$ROOT/build/objs"
GM2="${GM2:-gm2}"
GM2FLAGS="${GM2FLAGS:--fiso}"
CFLAGS=$(pkg-config --cflags gtk4)
LIBS=$(pkg-config --libs gtk4)

# libadwaita is optional: add its flags and test when available.
TESTS="test_glib test_version test_widgets test_inputs test_inputs2 test_containers test_containers2 test_actions test_closure test_headerbar test_gio test_gerror test_filedialog test_views test_builder test_utility test_css test_popover test_dialogs test_models test_cairo test_drawing test_gestures test_models2 test_widgets3 test_shim test_shim2 test_shim3 test_dnd test_media test_gl test_print test_text test_expr test_constraints test_shortcuts test_snapshot test_lastwidgets test_application test_demos"
if pkg-config --exists libadwaita-1 2>/dev/null; then
  CFLAGS="$CFLAGS $(pkg-config --cflags libadwaita-1)"
  LIBS="$LIBS $(pkg-config --libs libadwaita-1)"
  TESTS="$TESTS test_adw test_adw_widgets test_adw_widgets2"
fi

# GtkSourceView 5 (GtkSource) is optional.
if pkg-config --exists gtksourceview-5 2>/dev/null; then
  CFLAGS="$CFLAGS $(pkg-config --cflags gtksourceview-5)"
  LIBS="$LIBS $(pkg-config --libs gtksourceview-5)"
  TESTS="$TESTS test_sourceview"
fi

# libspelling + libpanel (platform GNOME libraries) are optional.
if pkg-config --exists libspelling-1 libpanel-1 2>/dev/null; then
  CFLAGS="$CFLAGS $(pkg-config --cflags libspelling-1 libpanel-1)"
  LIBS="$LIBS $(pkg-config --libs libspelling-1 libpanel-1)"
  TESTS="$TESTS test_platform"
fi

# OpenGL (GtkGLArea examples/tests).
if pkg-config --exists gl 2>/dev/null; then
  LIBS="$LIBS $(pkg-config --libs gl)"
fi

mkdir -p "$BIN" "$OBJ"

# pure-Modula-2 helper must be compiled with -c first (no main), then
# linked in; passing the .mod directly would add a second main.
# shellcheck disable=SC2086
$GM2 -I"$ROOT/src" -I"$ROOT/lib" $GM2FLAGS -c "$ROOT/lib/GtkUtils.mod" -o "$OBJ/GtkUtils.o"
# shellcheck disable=SC2086
$GM2 -I"$ROOT/src" -I"$ROOT/lib" $GM2FLAGS -c "$ROOT/lib/GtkClosures.mod" -o "$OBJ/GtkClosures.o"
# C shim for GObject subclassing (compiled with the C compiler).
${CC:-cc} $CFLAGS -c "$ROOT/lib/m2gtkshim.c" -o "$OBJ/m2gtkshim.o"

# the m2 gtk-demo registry (demos/) is compiled once and linked into test_demos.
if [ -d "$ROOT/demos" ]; then
  # shellcheck disable=SC2086
  $GM2 -I"$ROOT/src" -I"$ROOT/lib" -I"$ROOT/demos" $GM2FLAGS -c "$ROOT/demos/DemoCatalog.mod" -o "$OBJ/DemoCatalog.o"
  # shellcheck disable=SC2086
  $GM2 -I"$ROOT/src" -I"$ROOT/lib" -I"$ROOT/demos" $GM2FLAGS -c "$ROOT/demos/DemoImpl.mod" -o "$OBJ/DemoImpl.o"
  # shellcheck disable=SC2086
  $GM2 -I"$ROOT/src" -I"$ROOT/lib" -I"$ROOT/demos" $GM2FLAGS -c "$ROOT/demos/DemosBasic.mod" -o "$OBJ/DemosBasic.o"
  # shellcheck disable=SC2086
  $GM2 -I"$ROOT/src" -I"$ROOT/lib" -I"$ROOT/demos" $GM2FLAGS -c "$ROOT/demos/GtkDemo.mod" -o "$OBJ/GtkDemo.o"
fi

# compile the test-only GSettings schema and make it discoverable
SCHEMA_SRC="$ROOT/tests/schemas"
SCHEMA_BLD="$ROOT/build/schemas"
mkdir -p "$SCHEMA_BLD"
cp "$SCHEMA_SRC"/*.gschema.xml "$SCHEMA_BLD"/ 2>/dev/null || true
glib-compile-schemas "$SCHEMA_BLD" 2>/dev/null || true
GSETTINGS_SCHEMA_DIR="$SCHEMA_BLD"
export GSETTINGS_SCHEMA_DIR

pass=0; fail=0; skip=0
for t in $TESTS; do
  echo "== $t =="
  DEMO_OBJS=""
  case "$t" in test_demos) DEMO_OBJS="$OBJ/DemoCatalog.o $OBJ/DemoImpl.o $OBJ/DemosBasic.o $OBJ/GtkDemo.o" ;; esac
  # shellcheck disable=SC2086
  $GM2 -I"$ROOT/src" -I"$ROOT/lib" -I"$ROOT/demos" $GM2FLAGS $CFLAGS \
       "$ROOT/tests/$t.mod" "$OBJ/GtkUtils.o" "$OBJ/GtkClosures.o" \
       "$OBJ/m2gtkshim.o" $DEMO_OBJS -o "$BIN/$t" $LIBS
  case "$t" in
    test_widgets|test_inputs|test_inputs2|test_containers|test_containers2|test_actions|test_closure|test_headerbar|test_filedialog|test_views|test_builder|test_utility|test_css|test_popover|test_dialogs|test_models|test_drawing|test_gestures|test_models2|test_widgets3|test_shim|test_shim2|test_shim3|test_dnd|test_media|test_gl|test_print|test_text|test_expr|test_constraints|test_shortcuts|test_snapshot|test_lastwidgets|test_adw|test_application|test_demos|test_adw_widgets|test_adw_widgets2|test_sourceview|test_platform) needs_display=1 ;;
    *) needs_display=0 ;;
  esac
  if [ "$needs_display" = 1 ] && [ -z "$DISPLAY" ] && [ -z "$WAYLAND_DISPLAY" ]; then
    echo "  (skipped: no display)"
    skip=$((skip+1))
    continue
  fi
  if "$BIN/$t"; then
    pass=$((pass+1))
  else
    fail=$((fail+1))
  fi
done
echo "OK: $pass passed, $skip skipped, $fail failed"
[ "$fail" -eq 0 ]