# Invoice Master POC v2 Configuration
# Default configuration for invoice field extraction system

# PDF Processing
pdf:
  dpi: 300                    # Resolution for rendering PDFs to images
  min_text_chars: 30          # Minimum chars to consider PDF as text-based

# OCR Settings
ocr:
  engine: paddleocr           # OCR engine to use
  lang: en                    # Language code (en, sv, ch, etc.)
  use_gpu: false              # Enable GPU acceleration

# Field Normalization
normalize:
  # Bankgiro formats
  bankgiro:
    format: "XXXX-XXXX"       # Standard 8-digit format
    alternatives:
      - "XXX-XXXX"            # 7-digit format

  # Plusgiro formats
  plusgiro:
    format: "XXXXXXX-X"       # Standard format with check digit

  # Amount formats
  amount:
    decimal_separator: ","    # Swedish uses comma
    thousand_separator: " "   # Space for thousands
    currency_symbols:
      - "SEK"
      - "kr"

  # Date formats
  date:
    output_format: "%Y-%m-%d"
    input_formats:
      - "%Y-%m-%d"
      - "%Y-%m-%d %H:%M:%S"
      - "%d/%m/%Y"
      - "%d.%m.%Y"

# Field Matching
matching:
  min_score_threshold: 0.7    # Minimum score to accept match
  context_radius: 100         # Pixels to search for context keywords

  # Context keywords for each field (Swedish)
  context_keywords:
    InvoiceNumber:
      - "fakturanr"
      - "fakturanummer"
      - "invoice"
    InvoiceDate:
      - "fakturadatum"
      - "datum"
    InvoiceDueDate:
      - "förfallodatum"
      - "förfaller"
      - "betalas senast"
    OCR:
      - "ocr"
      - "referens"
    Bankgiro:
      - "bankgiro"
      - "bg"
    Plusgiro:
      - "plusgiro"
      - "pg"
    Amount:
      - "att betala"
      - "summa"
      - "total"
      - "belopp"

# YOLO Training
yolo:
  model: yolov8s              # Model architecture (yolov8n/s/m/l/x)
  epochs: 100
  batch_size: 16
  img_size: 1280              # Image size for training

  # Data augmentation
  augmentation:
    rotation: 5               # Max rotation degrees
    scale: 0.2               # Scale variation
    mosaic: 0.0              # Disable mosaic for documents
    hsv_h: 0.0               # No hue variation
    hsv_s: 0.1               # Slight saturation variation
    hsv_v: 0.2               # Brightness variation

  # Class definitions
  classes:
    0: invoice_number
    1: invoice_date
    2: invoice_due_date
    3: ocr_number
    4: bankgiro
    5: plusgiro
    6: amount

# Auto-labeling
autolabel:
  min_confidence: 0.7         # Minimum score to include in training
  bbox_padding: 0.02          # Padding around bboxes (fraction of image)

# Dataset Split
dataset:
  train_ratio: 0.8
  val_ratio: 0.1
  test_ratio: 0.1
  random_seed: 42

# Inference
inference:
  confidence_threshold: 0.5   # Detection confidence threshold
  iou_threshold: 0.45         # NMS IOU threshold
  enable_fallback: true       # Enable regex fallback if YOLO fails
  fallback_min_missing: 2     # Min missing fields to trigger fallback

# Paths (relative to project root)
paths:
  raw_pdfs: data/raw_pdfs
  images: data/images
  labels: data/labels
  structured_data: data/structured_data
  models: models
  reports: reports