From 04417ff947180879ff65e374399659836e1f802d Mon Sep 17 00:00:00 2001
From: Hellow <Lars.Noack@outlook.de>
Date: Fri, 14 Apr 2023 12:03:07 +0200
Subject: [PATCH] started with the audio config

---
 src/music_kraken/utils/config/audio.py  | 61 +++++++++++++++++++++++++
 src/music_kraken/utils/config/config.py | 11 ++++-
 2 files changed, 71 insertions(+), 1 deletion(-)
 create mode 100644 src/music_kraken/utils/config/audio.py

diff --git a/src/music_kraken/utils/config/audio.py b/src/music_kraken/utils/config/audio.py
new file mode 100644
index 0000000..afdfdb7
--- /dev/null
+++ b/src/music_kraken/utils/config/audio.py
@@ -0,0 +1,61 @@
+import logging
+from typing import Tuple
+
+from .config import SingleAttribute, StringAttribute, IntAttribute, Section, Description, EmptyLine
+
+# Only the formats with id3 metadata can be used
+# https://www.audioranger.com/audio-formats.php
+# https://web.archive.org/web/20230322234434/https://www.audioranger.com/audio-formats.php
+ID3_2_FILE_FORMATS = (
+    "mp3", "mp2", "mp1",    # MPEG-1                ID3.2
+    "wav", "wave", "rmi",   # RIFF (including WAV)  ID3.2
+    "aiff", "aif", "aifc",  # AIFF                  ID3.2
+    "aac", "aacp",          # Raw AAC	            ID3.2
+    "tta",                  # True Audio            ID3.2
+)
+
+ID3_1_FILE_FORMATS = (
+    "ape",                  # Monkey's Audio        ID3.1
+    "mpc", "mpp", "mp+",    # MusePack              ID3.1
+    "wv",                   # WavPack               ID3.1
+    "ofr", "ofs"            # OptimFrog             ID3.1
+)
+
+
+class AudioFormatAttribute(SingleAttribute):
+    @property
+    def object_from_value(self) -> str:
+        v = self.value.strip().lower()
+        if v in ID3_2_FILE_FORMATS:
+            return v
+        if v in ID3_1_FILE_FORMATS:
+            logging.debug(f"setting audio format to a format that only supports ID3.1: {v}")
+            return v
+
+        raise ValueError(f"Invalid Audio Format: {v}")
+
+
+
+class AudioSection(Section):
+    def __init__(self):
+        self.BITRATE = IntAttribute(
+            name="bitrate",
+            description="Streams the audio with this bitrate. Can't get more bitrate than the audio source though.",
+            value="125"
+        )
+
+        self.AUDIO_FORMAT = AudioFormatAttribute(name="audio_format", value="mp3", description=f"""
+Music Kraken will stream the audio into this format.
+You can use Audio formats which support ID3.2 and ID3.1,\n
+but you will have cleaner Metadata using ID3.2.\n
+ID3.2: {', '.join(f for f in ID3_2_FILE_FORMATS)}
+ID3.1: {', '.join(f for f in ID3_1_FILE_FORMATS)}
+        """.strip())
+
+        self.attribute_list = [
+            self.BITRATE,
+            self.AUDIO_FORMAT
+        ]
+
+
+AUDIO_SECTION = AudioSection()
diff --git a/src/music_kraken/utils/config/config.py b/src/music_kraken/utils/config/config.py
index 6169d9a..bbf5128 100644
--- a/src/music_kraken/utils/config/config.py
+++ b/src/music_kraken/utils/config/config.py
@@ -34,6 +34,14 @@ class StringAttribute(SingleAttribute):
         return self.value
 
 
+class IntAttribute(SingleAttribute):
+    @property
+    def object_from_value(self) -> int:
+        if not self.value.isdigit():
+            raise ValueError(f"The value of {self.name} needs to be an integer, not {self.value}")
+
+        return int(self.value)
+
 class ListAttribute(Attribute):
     value: List[str]
 
@@ -47,7 +55,8 @@ class Description:
     description: str
 
     def __str__(self):
-        return f"\n{self.description}"
+        lines = self.description.split("\n")
+        return "\n".join(f"{COMMENT_PREFIX}{line}" for line in lines)
 
 
 class EmptyLine(Description):