import fitz
from pptx import Presentation
from pptx.util import Inches
import io
import os

HERE = os.path.dirname(os.path.abspath(__file__))
PDF_PATH = os.path.join(HERE, "PrayInFaith.pdf")
OUT_PATH = os.path.join(HERE, "PrayInFaith.pptx")
DPI = 150

SLIDE_W = Inches(13.333)  # widescreen landscape
SLIDE_H = Inches(7.5)

doc = fitz.open(PDF_PATH)
prs = Presentation()
prs.slide_width = SLIDE_W
prs.slide_height = SLIDE_H
blank_layout = prs.slide_layouts[6]

for i, page in enumerate(doc, start=1):
    mat = fitz.Matrix(DPI / 72, DPI / 72)
    pix = page.get_pixmap(matrix=mat, alpha=False)
    img = io.BytesIO(pix.tobytes("png"))

    slide = prs.slides.add_slide(blank_layout)
    aspect = pix.width / pix.height
    h = SLIDE_H
    w = int(h * aspect)
    if w > SLIDE_W:
        w = SLIDE_W
        h = int(w / aspect)
    left = (SLIDE_W - w) // 2
    top = (SLIDE_H - h) // 2
    slide.shapes.add_picture(img, left, top, width=w, height=h)
    print(f"  Slide: page {i}")

prs.save(OUT_PATH)
print(f"\nSaved: {OUT_PATH}")