#!/usr/bin/env bash
# build-all.sh — Kompiliert alle Targets des photo-converter Projekts
#
# Verwendung:
#   ./scripts/build-all.sh [--release|--debug] [--clean] [--no-gui] [--no-tests]
#
# Optionen:
#   --release    Release-Build (Standard)
#   --debug      Debug-Build
#   --clean      Build-Verzeichnis vor dem Kompilieren löschen
#   --no-gui     GUI-Target überspringen
#   --no-tests   Tests überspringen

set -euo pipefail

# ── Farben ────────────────────────────────────────────────────────────────────
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

log_info()    { echo -e "${BLUE}[build]${NC} $*"; }
log_ok()      { echo -e "${GREEN}[ok]${NC}    $*"; }
log_warn()    { echo -e "${YELLOW}[warn]${NC}  $*"; }
log_error()   { echo -e "${RED}[error]${NC} $*"; }

# ── Standardwerte ─────────────────────────────────────────────────────────────
BUILD_TYPE="Release"
BUILD_DIR="build"
BUILD_GUI=ON
BUILD_TESTS=ON
CLEAN=0
JOBS=$(nproc 2>/dev/null || sysctl -n hw.logicalcpu 2>/dev/null || echo 4)

# ── Argumente parsen ──────────────────────────────────────────────────────────
for arg in "$@"; do
    case "$arg" in
        --release)  BUILD_TYPE="Release" ;;
        --debug)    BUILD_TYPE="Debug";  BUILD_DIR="build-debug" ;;
        --clean)    CLEAN=1 ;;
        --no-gui)   BUILD_GUI=OFF ;;
        --no-tests) BUILD_TESTS=OFF ;;
        --help|-h)
            sed -n '2,12p' "$0" | sed 's/^# \?//'
            exit 0
            ;;
        *)
            log_error "Unbekannte Option: $arg"
            exit 1
            ;;
    esac
done

# ── Projektverzeichnis ermitteln ───────────────────────────────────────────────
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
BUILD_PATH="$PROJECT_DIR/$BUILD_DIR"

cd "$PROJECT_DIR"

echo ""
log_info "photo-converter Build"
log_info "  Typ:    $BUILD_TYPE"
log_info "  Pfad:   $BUILD_PATH"
log_info "  GUI:    $BUILD_GUI"
log_info "  Tests:  $BUILD_TESTS"
log_info "  Jobs:   $JOBS"
echo ""

# ── Sauber bauen ──────────────────────────────────────────────────────────────
if [[ $CLEAN -eq 1 && -d "$BUILD_PATH" ]]; then
    log_info "Lösche $BUILD_PATH ..."
    rm -rf "$BUILD_PATH"
fi

# ── Abhängigkeiten prüfen ─────────────────────────────────────────────────────
MISSING=()
for dep in cmake ninja pkg-config; do
    command -v "$dep" &>/dev/null || MISSING+=("$dep")
done

if [[ ${#MISSING[@]} -gt 0 ]]; then
    log_error "Fehlende Tools: ${MISSING[*]}"
    log_error "Installieren mit: sudo apt install cmake ninja-build pkg-config"
    exit 1
fi

# Qt nur prüfen wenn GUI gewünscht
if [[ "$BUILD_GUI" == "ON" ]]; then
    if ! pkg-config --exists Qt6Widgets 2>/dev/null && ! command -v qmake6 &>/dev/null; then
        log_warn "Qt6 nicht gefunden — baue ohne GUI (--no-gui um Warnung zu unterdrücken)"
        BUILD_GUI=OFF
    fi
fi

# ── CMake konfigurieren ───────────────────────────────────────────────────────
log_info "Konfiguriere CMake ..."
cmake -B "$BUILD_PATH" \
    -G Ninja \
    -DCMAKE_BUILD_TYPE="$BUILD_TYPE" \
    -DBUILD_GUI="$BUILD_GUI" \
    -DBUILD_TESTS="$BUILD_TESTS" \
    2>&1 | sed "s/^/  /"

log_ok "CMake konfiguriert"

# ── Kompilieren ───────────────────────────────────────────────────────────────
log_info "Kompiliere ($JOBS parallele Jobs) ..."
cmake --build "$BUILD_PATH" --parallel "$JOBS" 2>&1 | sed "s/^/  /"

log_ok "Build erfolgreich"

# ── Ergebnisse auflisten ──────────────────────────────────────────────────────
echo ""
log_info "Erzeugte Binaries:"
find "$BUILD_PATH" -maxdepth 3 -type f \( -name "photo-converter" -o -name "test_*" \) \
    | sort \
    | while read -r f; do
        size=$(du -sh "$f" 2>/dev/null | cut -f1)
        echo -e "  ${GREEN}✓${NC} $f  (${size})"
    done

# ── Tests ausführen ───────────────────────────────────────────────────────────
if [[ "$BUILD_TESTS" == "ON" ]]; then
    echo ""
    log_info "Führe Tests aus ..."
    if ctest --test-dir "$BUILD_PATH" --output-on-failure -j"$JOBS" 2>&1 | sed "s/^/  /"; then
        log_ok "Alle Tests bestanden"
    else
        log_warn "Einige Tests fehlgeschlagen (Exit-Code wird ignoriert)"
    fi
fi

echo ""
log_ok "Fertig. Starten mit: $BUILD_PATH/photo-converter --batch --config config.ini"