feat: read/write hyprsunset.conf

Add read_config() and write_config() functions for managing hyprsunset
configuration files. Implements file I/O operations with automatic parent
directory creation and CONFIG_PATH default to ~/.config/hypr/hyprsunset.conf.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/hyprsunset_qt/config.py b/hyprsunset_qt/config.py
index f8ad5cf..a718861 100644
--- a/hyprsunset_qt/config.py
+++ b/hyprsunset_qt/config.py
@@ -4,6 +4,7 @@ from __future__ import annotations
 
 import re
 from dataclasses import dataclass
+from pathlib import Path
 
 _BLOCK_RE = re.compile(r"profile\s*\{(.*?)\}", re.DOTALL)
 
@@ -82,3 +83,19 @@ def night_index(profiles: list[Profile]) -> int | None:
         if p.temperature is not None:
             return i
     return None
+
+
+CONFIG_PATH = Path.home() / ".config" / "hypr" / "hyprsunset.conf"
+
+
+def read_config(path: Path = CONFIG_PATH) -> list[Profile]:
+    path = Path(path)
+    if not path.exists():
+        return []
+    return parse_config(path.read_text())
+
+
+def write_config(profiles: list[Profile], path: Path = CONFIG_PATH) -> None:
+    path = Path(path)
+    path.parent.mkdir(parents=True, exist_ok=True)
+    path.write_text(serialize(profiles))