#!/bin/bash
# Export Gerbers, drill files, and pick-and-place for PCB manufacturing
# Usage: ./scripts/export_gerbers.sh

set -e
cd "$(dirname "$0")/.."

PCB_FILE="SN-L00.kicad_pcb"
OUT_DIR="gerbers"
ZIP_FILE="SN-L00-gerbers.zip"

echo "============================================"
echo "SN-L00 Gerber Export"
echo "============================================"

# Clean and create output directory
rm -rf "$OUT_DIR" "$ZIP_FILE"
mkdir -p "$OUT_DIR"

# Export Gerbers
echo "[1/4] Exporting Gerber layers..."
kicad-cli pcb export gerbers \
  -o "$OUT_DIR/" \
  -l "F.Cu,B.Cu,F.Paste,B.Paste,F.Silkscreen,B.Silkscreen,F.Mask,B.Mask,Edge.Cuts" \
  "$PCB_FILE"

# Export drill files
echo "[2/4] Exporting drill files..."
kicad-cli pcb export drill \
  -o "$OUT_DIR/" \
  --format excellon \
  --drill-origin absolute \
  --excellon-zeros-format decimal \
  --excellon-units mm \
  --generate-map \
  --map-format gerberx2 \
  "$PCB_FILE"

# Export pick and place
echo "[3/4] Exporting pick and place..."
kicad-cli pcb export pos \
  -o "$OUT_DIR/SN-L00-pos.csv" \
  --format csv \
  --units mm \
  --side both \
  --use-drill-file-origin \
  "$PCB_FILE"

# Create zip
echo "[4/4] Creating zip archive..."
cd "$OUT_DIR"
zip -r "../$ZIP_FILE" .
cd ..

echo ""
echo "============================================"
echo "Generated files:"
ls -lh "$OUT_DIR"/
echo ""
echo "Upload to fab: $ZIP_FILE ($(du -h "$ZIP_FILE" | cut -f1))"
echo "============================================"