#!/bin/bash
set -eo pipefail

LOG_FILE="build_win.log"
> "$LOG_FILE"

log() { echo "$1"; echo "$1" >> "$LOG_FILE"; }

log "================================"
log "ChatGUI Build Script (MSYS2 UCRT64)"
log "================================"
log ""

SRC_DIR="$(cd "$(dirname "$0")" && pwd)"
BUILD_DIR="$SRC_DIR/build"

log "Source:  $SRC_DIR"
log "Build:   $BUILD_DIR"
log ""

log "[1/3] Configuring CMake..."
cmake -S "$SRC_DIR" -B "$BUILD_DIR" -G "MSYS Makefiles" 2>&1 | tee -a "$LOG_FILE"
test ${PIPESTATUS[0]} -eq 0 || { log "CMake configure FAILED"; exit 1; }

log ""
log "[2/3] Building..."
cmake --build "$BUILD_DIR" 2>&1 | tee -a "$LOG_FILE"
test ${PIPESTATUS[0]} -eq 0 || { log "Build FAILED"; exit 1; }

log ""
log "[3/3] Verifying..."
EXE="$BUILD_DIR/chatgui.exe"
if [ -f "$EXE" ]; then
    SIZE=$(du -h "$EXE" | cut -f1)
    log "  OK: chatgui.exe ($SIZE)"
    log ""
    log "================================"
    log "Build SUCCESS"
    log "================================"
    log "Executable: $EXE"
else
    log "  FAIL: chatgui.exe not found"
    exit 1
fi