track indirect knockouts

main.py

@@ -70,6 +70,10 @@ def _init_db(conn: sqlite3.Connection):
             game, turn, player, name,
             UNIQUE(game, turn, player)
         );
+        CREATE TABLE IF NOT EXISTS indirect_knockouts(
+            game, turn, player, name, source, source_user,
+            UNIQUE(game, turn, player)
+        );
         CREATE TABLE IF NOT EXISTS games(
             id, p1, p2, format, uploadtime,
             UNIQUE(id)
@@ -84,6 +88,17 @@ def parse_log(game: str, log: str, into: sqlite3.Connection):
     turn = 0
     players = {}
 
+    # ("p2a: Edward", "p1a: Meteo")
+    # memorises the user of the move that causes environment setting or status,
+    # and its target
+    last_move: t.Optional[tuple[str, str]]
+
+    # ("p1", "Spikes") => "p2a: Frosslas"
+    last_env_set: dict[tuple[str, str], str] = {}
+
+    # ("p1a: Meteo", "brn") => "p2a: Edward"
+    last_status_set: dict[tuple[str, str], str] = {}
+
     def resolve_mon(user: str) -> tuple[str, str]:
         [player, name] = user.split(": ")
         return players[player.strip("ab")], name
@@ -99,6 +114,7 @@ def parse_log(game: str, log: str, into: sqlite3.Connection):
             case ["turn", turn]:
                 turn = int(turn)
             case ["move", user, move, target]:
+                last_move = (user, target)
                 player, user = resolve_mon(user)
                 _, target = resolve_mon(target)
                 conn.execute(
@@ -137,6 +153,53 @@ def parse_log(game: str, log: str, into: sqlite3.Connection):
                     """,
                     (game, turn, player, mon),
                 )
+            case ["-sidestart", side, env]:
+                if not last_move:
+                    LOG.warning(f"missing previous move for {line}")
+                    continue
+                LOG.debug(f"{line} <- {last_move}")
+                last_env_set[(side[0:1], env.replace("move: ", ""))] = last_move[0]
+            case ["-status", mon, cond]:
+                if not last_move or last_move[1] != mon:
+                    LOG.warning(f"missing previous move for {line}")
+                    continue
+                LOG.debug(f"{line} <- {last_move}")
+                last_status_set[(mon, cond)] = last_move[0]
+            case ["-damage", mon, *rest]:
+                # rest is new_hp and sometimes a source (if not from a move)
+                # in a knockout, new_hp is "0 fnt"
+                if rest[0] == "0 fnt" and len(rest) > 1:
+                    LOG.debug(f"tracing source for {line}")
+                    source = rest[1].replace("[from] ", "")
+                    source_user = None
+
+                    if source == "Recoil" or source.startswith("item: "):
+                        source_user = source.replace("item: ", "")
+
+                    if source_user:
+                        LOG.debug(f"identified special source {source_user}")
+                    else:
+                        source_user = last_env_set.get((mon[0:1], source))
+
+                    if source_user:
+                        LOG.debug(f"identified hazard source {source_user}")
+                    else:
+                        source_user = last_status_set.get((mon, source))
+
+                    if source_user:
+                        LOG.debug(f"identified move source {source_user}")
+                    else:
+                        LOG.error(f"missing source for {line}")
+                        continue
+
+                    conn.execute(
+                        """
+                        INSERT INTO indirect_knockouts(game, turn, player, name, source, source_user)
+                        VALUES(?, ?, ?, ?, ?, ?)
+                        ON CONFLICT DO NOTHING
+                        """,
+                        (game, turn, player, mon, source, source_user),
+                    )
             case _:
                 # LOG.debug(f"unhandled message {chunks[0]}")
                 pass