Dev: Item statistics rework

module/statistics/battle_status.py

@@ -0,0 +1,21 @@
+from module.ocr.ocr import Ocr
+from module.statistics.assets import ENEMY_NAME
+
+ENEMY_NAME_OCR = Ocr(ENEMY_NAME, lang='cnocr', threshold=128)
+
+
+class BattleStatusStatistics:
+    def stats_battle_status(self, image):
+        """
+        Args:
+            image: Pillow image.
+
+        Returns:
+            str: Enemy name, such as '中型主力舰队'.
+        """
+        result = ENEMY_NAME_OCR.ocr(image)
+        # Delete wrong OCR result
+        for letter in '-一个―~(':
+            result = result.replace(letter, '')
+
+        return result