1 files changed, 56 insertions, 0 deletions
diff --git a/dots_manager/env.py b/dots_manager/env.py
new file mode 100644
index 0000000..514624b
--- /dev/null
+++ b/dots_manager/env.py
@@ -0,0 +1,56 @@
+import os
+import json
+import logging
+from pathlib import Path
+from dataclasses import dataclass
+from typing import Dict, Any
+from .config import Config
+from .shell import run_shell_command
+from .utils import merge_dicts
+from .kawaii_logger import setup_logger
+
+
+@dataclass(frozen=True)
+class Environment:
+    platform: str
+    system_name: str
+    context: Dict[str, Any]
+    logger: logging.Logger
+
+
+def initialize_environment(args) -> Environment:
+    logger = setup_logger(args.verbose)
+    scripts = args.source / Config.script_dir
+    platform = run_shell_command([str(scripts / "platform.sh")], logger)
+    if not platform:
+        raise ValueError("failed to determine platform... ")
+    os.environ["PLATFORM"] = platform
+    system_name = run_shell_command([str(scripts / "system_name.sh")], logger)
+    if not system_name:
+        raise ValueError("failed to determine system name... ")
+    context = load_context(platform, system_name, Config.contexts, logger)
+    return Environment(platform, system_name, context, logger)
+
+
+def load_context(platform, system_name, context_file, logger):
+    try:
+        logger.info(f"reading context file: {context_file} ✧*:｡ﾟ✧")
+        with open(context_file) as f:
+            contexts = json.load(f)
+
+        global_config = contexts.get("_global", {})
+        platform_defaults = contexts.get(platform, {}).get("_default", {})
+        defaults = merge_dicts(global_config, platform_defaults)
+        system_config = contexts.get(platform, {}).get(system_name, {})
+        if not system_config:
+            logger.warning(
+                f"couldn’t find system-specific config for {platform}.{system_name} (ɐ•́ﾟ•̀ɐ)"
+            )
+        return {
+            "platform": platform,
+            "system_name": system_name,
+            **merge_dicts(defaults, system_config),
+        }
+    except (FileNotFoundError, json.JSONDecodeError) as e:
+        logger.error(f"error loading context: {e} ⋆ฺ°☁｡⋆ฺ °★ °｡")
+        return {}