"""
Analyze the CMA logo position and ROI for YDQ23_001838.pdf
"""
import cv2
import numpy as np
from pathlib import Path

pdf_name = "YDQ23_001838.pdf"
page_img_path = Path(f"test_reports_full/{pdf_name}/doc_page.png")

# Load page image
page_img = cv2.imread(str(page_img_path))
h, w = page_img.shape[:2]

print(f"Page size: {w}x{h}")
print()

# Template matching result from debug output
max_loc = (2066, 2971)  # From template matching
template_size = (113, 177)  # Template size

# Calculate logo center
logo_center_x = max_loc[0] + template_size[1] // 2
logo_center_y = max_loc[1] + template_size[0] // 2

print(f"CMA Logo position:")
print(f"  Match location (top-left): {max_loc}")
print(f"  Logo center: ({logo_center_x}, {logo_center_y})")
print(f"  Template size: {template_size}")
print()

# Calculate ROI (right side of logo)
template_h, template_w = template_size
x = logo_center_x
y = logo_center_y

roi_x1 = max(0, x)
roi_y1 = max(0, y - template_h // 2)
roi_x2 = min(w, x + min(600, w - x))
roi_y2 = min(h, y + template_h // 2 + template_h)

print(f"Current ROI (right side of logo):")
print(f"  ROI: ({roi_x1}, {roi_y1}) -> ({roi_x2}, {roi_y2})")
print(f"  Size: {roi_x2 - roi_x1}x{roi_y2 - roi_y1}")
print()

# Visualize
viz = page_img.copy()
cv2.rectangle(viz, (roi_x1, roi_y1), (roi_x2, roi_y2), (0, 255, 0), 3)
cv2.circle(viz, (logo_center_x, logo_center_y), 10, (255, 0, 0), -1)

# Save visualization
output_path = Path("test_reports_full") / pdf_name / "roi_analysis.png"
cv2.imwrite(str(output_path), viz)

print(f"Visualization saved to: {output_path}")
print()

# Analysis
print("ANALYSIS:")
print("=" * 80)
print(f"Logo is at the BOTTOM of the page (y={logo_center_y}, page height={h})")
print(f"Logo center Y position: {logo_center_y / h * 100:.1f}% from top")
print()

if logo_center_y > h * 0.8:
    print("⚠️  WARNING: Logo is in the BOTTOM 20% of the page!")
    print("    This might not be the main CMA logo.")
    print("    The real CMA logo might be at the TOP of the page.")
    print()
    print("Possible issues:")
    print("  1. Template matching found the WRONG logo (e.g., footer logo)")
    print("  2. ROI is in the wrong place")
    print("  3. The real CMA code (210020349096) is elsewhere on the page")