import re

GITEA_PATTERNS = [
    re.compile(r"gitea\s*#(\d+)", re.IGNORECASE),
    re.compile(r"fixes\s+#(\d+)", re.IGNORECASE),
    re.compile(r"closes\s+gitea\s*#(\d+)", re.IGNORECASE),
]

TAIGA_STORY_PATTERNS = [
    re.compile(r"taiga\s*#(\d+)", re.IGNORECASE),
    re.compile(r"TG-(\d+)", re.IGNORECASE),
    re.compile(r"closes\s+taiga\s*#(\d+)", re.IGNORECASE),
]

TAIGA_TASK_PATTERNS = [
    re.compile(r"taiga\s+task\s*#(\d+)", re.IGNORECASE),
]


def parse_commit_message(message: str) -> dict[str, list[int]]:
    gitea_refs: set[int] = set()
    taiga_story_refs: set[int] = set()
    taiga_task_refs: set[int] = set()

    for pattern in GITEA_PATTERNS:
        for match in pattern.finditer(message):
            gitea_refs.add(int(match.group(1)))

    for pattern in TAIGA_TASK_PATTERNS:
        for match in pattern.finditer(message):
            taiga_task_refs.add(int(match.group(1)))

    for pattern in TAIGA_STORY_PATTERNS:
        for match in pattern.finditer(message):
            ref = int(match.group(1))
            if ref not in taiga_task_refs:
                taiga_story_refs.add(ref)

    return {
        "gitea": sorted(gitea_refs),
        "taiga_story": sorted(taiga_story_refs),
        "taiga_task": sorted(taiga_task_refs),
    }