From 194826efaa95480bfe1799f889ca5c02571b3e36 Mon Sep 17 00:00:00 2001
From: 2 * r + 2 * t <61896496+soramanew@users.noreply.github.com>
Date: Thu, 12 Jun 2025 15:48:02 +1000
Subject: feat: generate dynamic schemes

---
 src/caelestia/utils/material/__init__.py | 52 ++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 src/caelestia/utils/material/__init__.py

(limited to 'src/caelestia/utils/material/__init__.py')

diff --git a/src/caelestia/utils/material/__init__.py b/src/caelestia/utils/material/__init__.py
new file mode 100644
index 0000000..8adab1f
--- /dev/null
+++ b/src/caelestia/utils/material/__init__.py
@@ -0,0 +1,52 @@
+import json
+from pathlib import Path
+
+from materialyoucolor.hct import Hct
+
+from caelestia.utils.material.generator import gen_scheme
+from caelestia.utils.material.score import score
+from caelestia.utils.paths import compute_hash, scheme_cache_dir, wallpaper_thumbnail_path
+
+
+def get_score_for_image(image: str, cache_base: Path) -> tuple[list[Hct], list[Hct]]:
+    cache = cache_base / "score.json"
+
+    try:
+        with cache.open("r") as f:
+            return [[Hct.from_int(c) for c in li] for li in json.load(f)]
+    except (IOError, json.JSONDecodeError):
+        pass
+
+    s = score(image)
+
+    cache.parent.mkdir(parents=True, exist_ok=True)
+    with cache.open("w") as f:
+        json.dump([[c.to_int() for c in li] for li in s], f)
+
+    return s
+
+
+def get_colours_for_image(image: str = str(wallpaper_thumbnail_path), scheme=None) -> dict[str, str]:
+    if scheme is None:
+        from caelestia.utils.scheme import get_scheme
+
+        scheme = get_scheme()
+
+    cache_base = scheme_cache_dir / compute_hash(image)
+    cache = (cache_base / scheme.variant / scheme.flavour / scheme.mode).with_suffix(".json")
+
+    try:
+        with cache.open("r") as f:
+            return json.load(f)
+    except (IOError, json.JSONDecodeError):
+        pass
+
+    primaries, colours = get_score_for_image(image, cache_base)
+    i = ["default", "alt1", "alt2"].index(scheme.flavour)
+    scheme = gen_scheme(scheme, primaries[i], colours)
+
+    cache.parent.mkdir(parents=True, exist_ok=True)
+    with cache.open("w") as f:
+        json.dump(scheme, f)
+
+    return scheme
-- 
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