from __future__ import annotations

import re

SCENARIO_LABELS = {
    "expense": "报销",
    "accounts_receivable": "应收",
    "accounts_payable": "应付",
    "knowledge": "知识",
    "unknown": "通用",
}

RISK_REASON_MAP = {
    "duplicate_expense": "检测到同员工、同金额或近似单据存在重复提交迹象。",
    "location_mismatch": "申报出差地点与票据识别地点可能不一致，需要核对行程或补充说明。",
    "amount_over_limit": "金额超过当前制度或预算阈值，需要补充例外说明。",
    "invoice_anomaly": "票据或附件完整性不满足当前规则要求，需要补件或人工复核。",
    "ar_overdue": "应收账款已出现逾期，存在回款延迟风险。",
    "ap_overdue": "应付付款已出现逾期，可能影响供应商履约或合作关系。",
}

GENERIC_EXPENSE_PROMPTS = {
    "报销",
    "我要报销",
    "我想报销",
    "帮我报销",
    "我要申请报销",
    "发起报销",
    "提交报销",
}

EXPLICIT_DRAFT_KEYWORDS = ("生成", "草稿", "起草", "创建", "发起", "准备")

EXPENSE_TYPE_LABELS = {
    "travel": "差旅费",
    "hotel": "住宿费",
    "transport": "交通费",
    "meal": "餐费",
    "meeting": "会务费",
    "entertainment": "业务招待费",
    "office": "办公费",
    "training": "培训费",
    "communication": "通讯费",
    "welfare": "福利费",
    "other": "其他费用",
}

GROUP_SCENE_LABELS = {
    "travel": "差旅费",
    "entertainment": "业务招待费",
    "meal": "伙食费",
    "transport": "交通费",
    "hotel": "住宿费",
    "office": "办公费",
    "training": "培训费",
    "communication": "通讯费",
    "welfare": "福利费",
    "other": "其他费用",
}

EXPENSE_SCENE_SELECTION_OPTIONS = (
    ("travel", "差旅费", "出差、长途交通、住宿、差旅补贴等场景。"),
    ("transport", "交通费", "市内打车、停车、过路费等日常交通场景。"),
    ("hotel", "住宿费", "单独住宿、酒店发票等场景。"),
    ("entertainment", "业务招待费", "客户接待、宴请、招待等场景。"),
    ("office", "办公费", "办公用品、耗材、办公设备等采购场景。"),
    ("other", "其他费用", "暂不属于以上分类的报销场景。"),
)

KNOWLEDGE_MODEL_MAIN_TIMEOUT_SECONDS = 3
KNOWLEDGE_MODEL_BACKUP_TIMEOUT_SECONDS = 5
KNOWLEDGE_MODEL_TIMEOUT_SECONDS = KNOWLEDGE_MODEL_BACKUP_TIMEOUT_SECONDS

EXPENSE_STATUS_LABELS = {
    "draft": "草稿",
    "submitted": "已提交",
    "review": "审核中",
    "approved": "已通过",
    "rejected": "已驳回",
    "paid": "已付款",
}

EXPENSE_STATUS_GROUP_LABELS = {
    "draft": "草稿",
    "in_progress": "审批中",
    "completed": "审批完成",
    "other": "其他状态",
}

SLOT_LABELS = {
    "expense_type": "报销类型",
    "customer_name": "客户名称",
    "time_range": "发生时间",
    "location": "地点",
    "merchant_name": "酒店/商户",
    "amount": "金额",
    "reason": "事由说明",
    "participants": "参与人员",
    "attachments": "票据附件",
}

DATE_TEXT_PATTERN = re.compile(
    r"(\d{4}[年/-]\d{1,2}[月/-]\d{1,2}日?(?:\s*[T ]?\s*(?:[01]?\d|2[0-3])[:：][0-5]\d)?)"
)
AMOUNT_TEXT_PATTERN = re.compile(
    r"(\d+(?:\.\d+)?)\s*(?:万元|万员|万圆|万园|万块|万元整|元整|块钱|块|元|员|圆|园|万)"
)
TRAVEL_REVIEW_HOTEL_NIGHT_PATTERN = re.compile(r"(\d+)\s*(?:晚|间夜)")
TRAVEL_ROUTE_PATTERN = re.compile(r"([\u4e00-\u9fa5]{2,12})\s*(?:至|→|->|-|—)\s*([\u4e00-\u9fa5]{2,12})")

SOURCE_LABELS = {
    "user_text": "用户描述",
    "user_form": "用户修改",
    "ocr": "票据识别",
    "upload": "上传附件",
    "detail_context": "关联单据",
    "system_context": "系统上下文",
    "inferred": "语义推断",
    "system": "系统判断",
}

DEPRECATED_REVIEW_RISK_TITLE_KEYWORDS = ("历史报销画像", "用户画像", "制度注意事项", "制度注意")

SCENE_REQUIRED_SLOT_KEYS = {
    "hotel": {"merchant_name"},
    "meeting": {"location"},
    "entertainment": {"location", "customer_name", "participants"},
}
INFERRED_REASON_LABELS = {
    "travel": "出差行程",
    "hotel": "住宿报销",
    "transport": "交通出行",
    "meal": "餐饮用餐",
    "meeting": "会务活动",
    "entertainment": "客户接待",
    "office": "办公采购",
    "training": "培训学习",
    "communication": "通讯使用",
    "welfare": "员工福利",
    "other": "其他费用",
}
SYSTEM_GENERATED_REASON_PREFIXES = (
    "我上传了",
    "请按当前已识别信息",
    "请把当前上传的票据",
    "请基于当前上传的多张票据",
    "我已核对右侧识别结果",
    "请同步修正逐票据识别结果",
    "我已校正核对信息",
    "查看报销草稿",
    "请解释一下当前这笔报销的合规风险和待补充项",
)
LEADING_REASON_TIME_PATTERNS = (
    re.compile(
        r"^\s*(?:识别事项(?:有)?[：:]\s*)?"
        r"(?:业务发生(?:时间|日期)|费用发生(?:时间|日期)|发生(?:时间|日期)|报销(?:时间|日期)|时间)[：:]?\s*"
        r"(?:19|20)\d{2}[-/年.]\d{1,2}[-/月.]\d{1,2}日?"
        r"(?:\s*(?:至|到|~|～|—|-)\s*(?:19|20)\d{2}[-/年.]\d{1,2}[-/月.]\d{1,2}日?)?"
        r"\s*[，,。；;、]?\s*"
    ),
    re.compile(
        r"^\s*(?:19|20)\d{2}[-/年.]\d{1,2}[-/月.]\d{1,2}日?"
        r"(?:\s*(?:至|到|~|～|—|-)\s*(?:19|20)\d{2}[-/年.]\d{1,2}[-/月.]\d{1,2}日?)?"
        r"\s*[，,。；;、]\s*"
    ),
)
AMOUNT_UNIT_ALIASES = {
    "员": "元",
    "圆": "元",
    "园": "元",
    "块": "元",
    "块钱": "元",
    "元整": "元",
    "万员": "万元",
    "万圆": "万元",
    "万园": "万元",
    "万块": "万元",
    "万元整": "万元",
}