"""Unit tests for pure logic — no backend required.
Run: python test_smoke.py
"""
import json

from frames import build_prompt, seed_for, SIZES
from schemas import validate_package

# --- seeding (FR-2.3 / FR-2.4) ---
assert seed_for(1, 0) == 1042
assert seed_for(2, 0) == 2042
assert seed_for(2, 1) == 2043           # regen bumps seed
assert seed_for(2, 0) != seed_for(2, 1)
assert len({seed_for(i, 0) for i in range(1, 6)}) == 5  # all distinct
print("seed_for OK")

# --- sizes (FR-2.6) ---
assert SIZES["1:1"] == (1024, 1024)
assert SIZES["16:9"] == (1024, 576)
print("SIZES OK")

# --- schema validation round-trip ---
RAW = {
    "product_analysis": {
        "product_type": "ceramic mug", "materials": "stoneware",
        "colors": ["#4A6B5D"], "distinguishing_features": "speckled glaze",
    },
    "shots": [
        {"id": i, "concept_name": f"Concept {i}", "scene": "studio",
         "camera_angle": "front", "lighting": "soft",
         "color_palette": ["#4A6B5D", "#E8E2D5"], "props": "none",
         "marketing_angle": "quality", "image_prompt": f"prompt {i}"}
        for i in range(1, 6)
    ],
}
pkg = validate_package(RAW)
assert len(pkg.shots) == 5
assert json.loads(pkg.to_json())["shots"][0]["id"] == 1
print("validate_package OK")

# --- prompt building (FR-2.3) ---
p = build_prompt(pkg.shots[0], "Minimal")
assert "prompt 1" in p and "#4A6B5D" in p
print("build_prompt OK")

print()
print("ALL SMOKE TESTS PASSED")