#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
主生成脚本：根据订单信息生成销售合同和Proforma Invoice
"""

import os
import sys
import shutil
import re
from datetime import datetime

# 添加脚本目录到路径
script_dir = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, script_dir)

from parse_order_info import parse_order_info
from match_vehicle import match_vehicle, build_vehicle_description
from number_to_words import format_say_us_only, calculate_payment_split

# 模板正文默认字号：12pt
from docx.shared import Pt
DEFAULT_FONT_SIZE = Pt(12)


def copy_run_format(src_run, dst_run):
    """复制源run的格式到目标run，字号默认12pt"""
    dst_run.bold = src_run.bold
    dst_run.italic = src_run.italic
    dst_run.font.size = src_run.font.size or DEFAULT_FONT_SIZE
    if src_run.font.name:
        dst_run.font.name = src_run.font.name


def set_run_format(run, bold=None, size=None):
    """设置run格式，字号默认12pt"""
    run.bold = bold
    run.font.size = size or DEFAULT_FONT_SIZE


def get_asset_path(filename: str) -> str:
    """获取assets目录下的文件路径"""
    return os.path.join(script_dir, '..', 'assets', filename)


def generate_contract_no() -> str:
    """生成合同编号: HLXYWPA{年月日}"""
    return f"HLXYWPA{datetime.now().strftime('%Y%m%d')}"


def format_date() -> str:
    """格式化当前日期"""
    return datetime.now().strftime('%Y-%m-%d')


def format_date_for_cell():
    """Excel单元格日期格式（仅日期，无时间）"""
    from datetime import datetime
    now = datetime.now()
    return datetime(now.year, now.month, now.day)


def get_port_names(port_input: str) -> tuple:
    """获取港口的中英文名称，返回 (cn_name, en_name)"""
    port_map = {
        '广州南沙': ('中国广州南沙港口', 'Guangzhou nansha Port'),
        '广州': ('中国广州港口', 'Guangzhou Port'),
        '深圳': ('中国深圳港口', 'Shenzhen Port'),
        '上海': ('中国上海港口', 'Shanghai Port'),
        '天津': ('中国天津港口', 'Tianjin Port'),
        '青岛': ('中国青岛港口', 'Qingdao Port'),
        '宁波': ('中国宁波港口', 'Ningbo Port'),
        '厦门': ('中国厦门港口', 'Xiamen Port'),
    }
    port_input = port_input.strip()
    # 先尝试中文匹配
    for cn, (cn_name, en_name) in port_map.items():
        if cn in port_input:
            return cn_name, en_name
    # 再尝试英文匹配
    for cn, (cn_name, en_name) in port_map.items():
        if en_name.lower() in port_input.lower():
            return cn_name, en_name
    # 默认返回输入值
    return port_input, port_input


def number_to_chinese(num: int) -> str:
    """将整数金额转换为中文大写（壹贰叁肆伍陆柒捌玖拾佰仟万）"""
    if num == 0:
        return '零'
    if num < 0:
        return '负' + number_to_chinese(-num)

    units = ['', '拾', '佰', '仟']
    big_units = ['', '万', '亿']
    nums = '零壹贰叁肆伍陆柒捌玖'

    def convert_group(n):
        if n == 0:
            return ''
        s = ''
        zero = False
        for i in range(3, -1, -1):
            d = (n // (10 ** i)) % 10
            if d == 0:
                if s and not zero:
                    zero = True
            else:
                if zero:
                    s += '零'
                    zero = False
                s += nums[d] + units[i]
        return s

    groups = []
    idx = 0
    while num > 0:
        g = num % 10000
        num //= 10000
        if g > 0:
            gs = convert_group(g)
            if gs:
                groups.append(gs + big_units[idx])
            else:
                groups.append(big_units[idx])
        elif groups:
            groups.append('零')
        idx += 1

    result = ''.join(reversed(groups))
    result = result.replace('零零', '零')
    result = result.replace('零万', '万')
    result = result.replace('零亿', '亿')
    result = result.rstrip('零')
    return result


def fill_paragraph_value(para, marker: str, value: str) -> bool:
    """
    在段落中 marker 标记后填入 value，保留原有格式。
    不直接设置 para.text（这会破坏所有 run 格式）。
    """
    text = para.text
    if marker not in text:
        return False

    parts = text.split(marker, 1)
    if len(parts) < 2:
        return False

    after = parts[1].strip()
    if after and after != value.strip():
        # 已有内容且不是我们要填的值，视为已填充
        return False

    # 找到最后一个 run
    if not para.runs:
        run = para.add_run(value)
        run.font.size = DEFAULT_FONT_SIZE
        return True

    # 从后往前找：优先修改空白占位符 run，否则在末尾追加
    for i in range(len(para.runs) - 1, -1, -1):
        r = para.runs[i]
        if not r.text.strip():
            # 空白 run，填入值，并复制前一个非空 run 的格式
            r.text = value
            src = None
            for j in range(i - 1, -1, -1):
                if para.runs[j].text:
                    src = para.runs[j]
                    break
            if src:
                copy_run_format(src, r)
                if src.font.color and src.font.color.rgb:
                    r.font.color.rgb = src.font.color.rgb
            else:
                r.font.size = DEFAULT_FONT_SIZE
            return True
        elif r.text.strip():
            # 最后一个非空 run，在其后追加新 run，复制格式
            new_run = para.add_run(value)
            copy_run_format(r, new_run)
            if r.font.color and r.font.color.rgb:
                new_run.font.color.rgb = r.font.color.rgb
            return True

    return False


def delete_table_row(table, row):
    """从表格中真正删除一行（使用XML操作）"""
    tbl = table._tbl
    tr = row._tr
    tbl.remove(tr)


def set_cell_text(cell, text):
    """设置单元格文本：删除除第一个段落外的所有段落，清空第一个段落并填入新文本"""
    tc = cell._tc
    # 删除除第一个外的所有段落（从后往前删）
    while len(cell.paragraphs) > 1:
        p = cell.paragraphs[-1]._p
        tc.remove(p)
    
    # 清空并填充第一个段落
    para = cell.paragraphs[0]
    style = para.style
    para.clear()
    run = para.add_run(text)
    para.style = style


def set_cell_multiline(cell, text):
    """设置单元格多段落文本：按换行符拆分为多个段落，保留模板格式。
    
    模板中 Description 单元格的格式为:
      Para 0: Model: ...
      Para 1: (配置描述)
      Para 2: Color: ...
      Para 3: 型号：...
      Para 4: (配置描述)
      Para 5: 颜色：...
    """
    from docx.oxml.ns import qn
    from copy import deepcopy
    tc = cell._tc
    
    # 保存第一个段落的完整 XML 作为模板
    first_p = cell.paragraphs[0]._p
    template_pPr = first_p.find(qn('w:pPr'))
    
    # 删除除第一个外的所有段落（从后往前删）
    while len(cell.paragraphs) > 1:
        p = cell.paragraphs[-1]._p
        tc.remove(p)
    
    # 清空第一个段落
    first_para = cell.paragraphs[0]
    first_para.clear()
    
    # 按换行符拆分
    lines = text.split('\n')
    
    # 第一行填入第一个段落
    if lines:
        first_para.add_run(lines[0])
    
    # 后续行追加为新段落
    for line in lines[1:]:
        new_p = tc.makeelement(qn('w:p'), {})
        # 复制段落属性（对齐、缩进等）
        if template_pPr is not None:
            new_p.append(deepcopy(template_pPr))
        # 添加 run
        new_r = new_p.makeelement(qn('w:r'), {})
        new_t = new_r.makeelement(qn('w:t'), {})
        new_t.text = line
        new_t.set(qn('xml:space'), 'preserve')
        new_r.append(new_t)
        new_p.append(new_r)
        tc.append(new_p)


def build_full_description(vehicle: dict, match_result: dict = None) -> str:
    """
    构建销售合同中 Commodity 表格的完整货物描述。
    格式参考模板：
      Model: {model_code}, {engine_code} {中文车型名}
      {英文车型名}
      {中文配置}
      {英文配置}
      Color: {color}
      型号：{model_code}, {engine_code} {英文车型名}
    """
    model_code = vehicle.get('model_code', '')
    engine_code = vehicle.get('engine_code', '')
    color = vehicle.get('color', '1')
    name_cn = vehicle.get('name_cn', '')
    name_en = vehicle.get('name_en', '')

    lines = []

    if match_result:
        # 有价格表匹配，使用价格表信息
        desc_cn = match_result.get('description_cn', '')
        series_en = match_result.get('series_en', '')
        config_desc = match_result.get('config_desc', '')

        # 分离中英文配置描述
        config_cn = ''
        config_en = ''
        if config_desc:
            config_parts = [p.strip() for p in config_desc.split('\n') if p.strip()]
            for part in config_parts:
                if re.search(r'[\u4e00-\u9fff]', part):
                    config_cn = part
                else:
                    config_en = part

        # Model 行（英文）
        model_line = f"Model: {model_code}, {engine_code}"
        if series_en:
            model_line += f" {series_en}"
        lines.append(model_line)

        # 英文配置描述
        if config_en:
            lines.append(config_en)
    else:
        # 无价格表匹配，使用订单信息
        model_line = f"Model: {model_code}, {engine_code}"
        if name_en:
            model_line += f" {name_en}"
        elif name_cn:
            model_line += f" {name_cn}"
        lines.append(model_line)

    # Color (English)
    if color and color != '1':
        lines.append(f"Color: {color}")
    else:
        lines.append("Color: ")

    # 型号行（中文标签）- 带中文描述
    model_cn_line = f"型号：{model_code}, {engine_code}"
    if match_result and match_result.get('description_cn'):
        model_cn_line += f" {match_result['description_cn']}"
    elif name_cn:
        model_cn_line += f" {name_cn}"
    elif name_en:
        model_cn_line += f" {name_en}"
    lines.append(model_cn_line)

    # 中文配置描述（仅提取包含中文的配置行）
    if match_result and match_result.get('config_desc'):
        config_parts = [p.strip() for p in match_result['config_desc'].split('\n') if p.strip()]
        for part in config_parts:
            if re.search(r'[\u4e00-\u9fff]', part):
                lines.append(part)

    # 颜色行（中文）
    if color and color != '1':
        lines.append(f"颜色：{color}")
    else:
        lines.append("颜色：")

    return '\n'.join(lines)


def process_vehicles(vehicles: list, trade_term: str) -> list:
    """
    处理车型列表，匹配价格表或提示用户提供价格

    Returns:
        (processed_vehicles, missing_prices)
    """
    processed = []
    missing = []

    for v in vehicles:
        model_code = v.get('model_code', '')

        # 如果用户已提供单价，直接使用
        if v.get('unit_price_usd') is not None:
            processed.append(v)
            continue

        # 从价格表匹配
        match_result = match_vehicle(model_code, trade_term)
        if match_result and match_result.get('unit_price_usd'):
            v['unit_price_usd'] = match_result['unit_price_usd']
            v['config_desc'] = build_vehicle_description(v, match_result)
            v['_match_result'] = match_result
            processed.append(v)
        else:
            # 未匹配到价格
            missing.append(v)

    return processed, missing


def calculate_summary(vehicles: list) -> dict:
    """计算汇总信息"""
    total_qty = sum(v['quantity'] for v in vehicles)
    total_amount = sum(v['unit_price_usd'] * v['quantity'] for v in vehicles)

    deposit_30, balance_70 = calculate_payment_split(total_amount)

    return {
        'total_qty': total_qty,
        'total_amount': round(total_amount, 2),
        'total_amount_int': round(total_amount),
        'deposit_30': deposit_30,
        'balance_70': balance_70,
        'amount_in_words': format_say_us_only(total_amount),
        'amount_in_chinese': number_to_chinese(round(total_amount)),
    }


def generate_proforma_invoice(order: dict, vehicles: list, summary: dict,
                               contract_no: str, output_dir: str) -> str:
    """生成Proforma Invoice"""
    import openpyxl
    from openpyxl.utils import get_column_letter

    # 复制模板
    template_path = get_asset_path('proforma-invoice-template.xlsx')
    output_filename = f"{contract_no}-Proforma Invoice.xlsx"
    output_path = os.path.join(output_dir, output_filename)
    shutil.copy(template_path, output_path)

    # 打开并修改
    wb = openpyxl.load_workbook(output_path)
    ws = wb['INVOICE']

    # 买方信息
    ws['B7'] = f"TO:  {order.get('buyer_en', '')}"
    ws['G7'] = f"Contract NO.: {contract_no}"
    ws['H8'] = format_date_for_cell()
    ws['B8'] = f"ADD: {order.get('address_en', '')}"
    ws['B9'] = f"Tel: {order.get('tel', '')}"

    # 港口信息
    port_cn, port_en = get_port_names(order.get('departure_port', '广州南沙'))
    trade_term = order.get('trade_term', 'FCA')

    # 商品明细 (B17-H22)
    start_row = 17
    for i, v in enumerate(vehicles):
        row = start_row + i
        if row > 22:
            break  # 模板最多支持到22行

        desc = v.get('config_desc') or build_vehicle_description(v, v.get('_match_result'))
        if not desc:
            desc = f"Wuling {v['model_code']}, {v['engine_code']}"

        ws.cell(row=row, column=2, value=desc)  # B列: DESCRIPTION
        ws.cell(row=row, column=3, value=v['quantity'])  # C列: QTY
        ws.cell(row=row, column=4, value='UNIT')  # D列
        ws.cell(row=row, column=5, value='USD')  # E列
        ws.cell(row=row, column=6, value=v['unit_price_usd'])  # F列: U.PRICE
        ws.cell(row=row, column=7, value='USD')  # G列
        # H列保留公式 =C*F

    # 清除未使用的行（如果车辆少于模板默认行数）
    # 注意: cell.value = None 在 openpyxl 中不能真正清除单元格，必须用 _value = None
    for row in range(start_row + len(vehicles), 23):
        for col in range(2, 9):
            ws.cell(row=row, column=col)._value = None

    # 汇总信息
    ws['E23'] = f"  {trade_term}   {port_en} "
    ws['B24'] = summary['amount_in_words']

    # Delivery terms
    ws['B27'] = f"1. Delivery terms:  {trade_term} {port_en}  "

    # Payment terms
    payment_text = (
        f"3. Payment terms:\n"
        f"1. 30% of the Total Amount (USD {summary['deposit_30']:,}) shall be paid to Seller within 5 working days from order confirmation.\n"
        f"2. 70% of the Total Amount (USD {summary['balance_70']:,}) shall be paid to Seller within 10 working days before delivery.     "
    )
    ws['B29'] = payment_text

    wb.save(output_path)
    wb.close()

    return output_path


def accept_all_revisions(doc):
    """
    清除文档中的所有修订标记（Track Changes）和批注。
    解决WPS/Word模板中未接受修订导致内容重复显示的问题。
    策略：仅处理正文段落（不遍历表格），避免误删表格中的图片。
    """
    body = doc.element.body
    ns = 'http://schemas.openxmlformats.org/wordprocessingml/2006/main'
    from docx.oxml.ns import qn
    
    # 仅处理 body 直接子元素中的段落（跳过表格内的内容，保护图片）
    for p in body.findall(qn('w:p')):
        # 删除段落内的 <w:del> 元素
        for del_elem in list(p.iter(f'{{{ns}}}del')):
            parent = del_elem.getparent()
            if parent is not None:
                parent.remove(del_elem)
        # 删除段落内的 <w:ins> 元素
        for ins_elem in list(p.iter(f'{{{ns}}}ins')):
            parent = ins_elem.getparent()
            if parent is not None:
                parent.remove(ins_elem)
        # 删除批注标记
        for tag in ['commentRangeStart', 'commentRangeEnd', 'commentReference']:
            for elem in list(p.iter(f'{{{ns}}}{tag}')):
                parent = elem.getparent()
                if parent is not None:
                    parent.remove(elem)


def generate_sales_contract(order: dict, vehicles: list, summary: dict,
                            contract_no: str, output_dir: str) -> str:
    """生成销售合同 (Word)"""
    from docx import Document

    # 复制模板
    template_path = get_asset_path('vehicle-sales-contract-template.docx')
    output_filename = f"{contract_no}-车辆销售合同.docx"
    output_path = os.path.join(output_dir, output_filename)
    shutil.copy(template_path, output_path)

    # 打开并修改
    doc = Document(output_path)
    
    # 先接受所有修订、删除批注，避免WPS显示重复内容
    accept_all_revisions(doc)

    port_cn, port_en = get_port_names(order.get('departure_port', '广州南沙'))
    trade_term = order.get('trade_term', 'FCA')

    # 1. 替换段落文本（保留原有格式）
    for para in doc.paragraphs:
        text = para.text
        if not text:
            continue

        # 合同编号: No.: → No.: HLXYWPA...
        if 'No.:' in text and not re.search(r'No\.:\s*\S', text):
            fill_paragraph_value(para, 'No.:', f' {contract_no}')

        # 签署日期
        if 'Signature Date:' in text and not re.search(r'Signature Date:\s*\d', text):
            fill_paragraph_value(para, 'Signature Date:', f' {format_date()}')

        # 买方英文
        if text.strip() == 'Buyer:':
            fill_paragraph_value(para, 'Buyer:', f' {order.get("buyer_en", "")}')

        # 买方中文
        if text.strip() == '买方：':
            fill_paragraph_value(para, '买方：', f'{order.get("buyer_cn", "")}')

        # 英文地址（匹配 ADD: 或 ADD : 等变体，且内容较短说明是占位符）
        if re.search(r'ADD\s*[:：]', text) and len(text.strip()) < 10:
            # 查找实际标记（支持空格和不间断空格）
            m = re.search(r'(ADD\s*[:：])', text)
            if m:
                fill_paragraph_value(para, m.group(1), f' {order.get("address_en", "")}')

        # 中文地址
        if re.search(r'地址\s*[:：]', text) and len(text.strip()) < 10:
            m = re.search(r'(地址\s*[:：])', text)
            if m:
                fill_paragraph_value(para, m.group(1), f'{order.get("address_cn", "")}')

        # 电话
        if text.strip() == 'Tel电话:':
            fill_paragraph_value(para, 'Tel电话:', f' {order.get("tel", "")}')

        # 出口目的地（英文）
        if 'Export Destination:' in text:
            if para.runs:
                for run in para.runs:
                    if run.text == ' ' and run.bold is None:
                        run.text = f' {order.get("destination_country", "")} '
                        break

        # 出口目的地（中文）
        if '出口目的地：' in text:
            dest_cn = order.get('destination_country', '')
            if dest_cn and para.runs:
                # 在"："后插入国家名，保留后面的（下称"区域"）
                for run in para.runs:
                    if '（下称' in run.text:
                        run.text = run.text.replace('（下称', f'{dest_cn}（下称')
                        break

        # 贸易条款（中英文同段落）
        if 'Incoterms:' in text:
            if para.runs:
                src = para.runs[0]  # 保留第一个run的格式（bold=True）
                para.clear()
                # 英文部分
                run_en = para.add_run(f"Incoterms: {trade_term} {port_en}")
                copy_run_format(src, run_en)
                # 中文部分
                run_cn = para.add_run(f"贸易条款：{trade_term} {port_cn}")
                set_run_format(run_cn, bold=None)

        # 付款条款英文
        if '30% of the Total Amount' in text and 'shall be paid' in text:
            if para.runs:
                src = para.runs[-1]
                para.clear()
                run = para.add_run(
                    f"30% of the Total Amount shall be paid to the Seller by T/T before the production. "
                    f"70% of the Total Amount shall be paid to the Seller by the Buyer by means of T/T before the delivery of vehicles."
                )
                copy_run_format(src, run)

        # 付款条款中文
        if '生产前，买方向卖方通过电汇支付' in text:
            if para.runs:
                src = para.runs[-1]
                para.clear()
                run = para.add_run(
                    f"生产前，买方向卖方通过电汇支付本合同项下30% 货款。"
                    f"发运前，买方向卖方通过电汇支付本合同项下70% 货款。"
                )
                copy_run_format(src, run)

    # 2. 插入买方信息（签字区域，卖方信息之后）
    buyer_en = order.get('buyer_en', '')
    buyer_cn = order.get('buyer_cn', '')
    if buyer_en or buyer_cn:
        # 找到第二个 "Signature 签字：" (买方签字区) 前的空白段落
        sig_count = 0
        buyer_sig_idx = -1
        for i, para in enumerate(doc.paragraphs):
            if 'Signature' in para.text and '签字' in para.text:
                sig_count += 1
                if sig_count == 2:
                    buyer_sig_idx = i
                    break
        if buyer_sig_idx > 0:
            # 从卖方Title之后向前找空段落，按顺序填入Buyer(EN)和买方(CN)
            empty_slots = []
            for i in range(buyer_sig_idx - 1, max(buyer_sig_idx - 6, 0), -1):
                if not doc.paragraphs[i].text.strip():
                    empty_slots.append(i)
                else:
                    break  # 遇到非空段落就停止
            empty_slots.reverse()  # 正序（从上到下）
            if len(empty_slots) >= 2 and buyer_en:
                run = doc.paragraphs[empty_slots[0]].add_run(f'Buyer: {buyer_en}')
                set_run_format(run, bold=True)
            if len(empty_slots) >= 2 and buyer_cn:
                run = doc.paragraphs[empty_slots[1]].add_run(f'买方：{buyer_cn}')
                set_run_format(run, bold=True)
            elif len(empty_slots) >= 1 and buyer_cn:
                run = doc.paragraphs[empty_slots[0]].add_run(f'买方：{buyer_cn}')
                set_run_format(run, bold=True)

    # 3. 替换表格内容
    for table in doc.tables:
        first_cell_text = table.rows[0].cells[0].text.strip() if table.rows else ''

        if 'DESCRIPTION' in first_cell_text or '货物描述' in first_cell_text:
            _fill_vehicle_table(table, vehicles, summary, trade_term, port_cn, port_en)
        # 银行账户表和商标表保持原样

    doc.save(output_path)
    return output_path


def _fill_vehicle_table(table, vehicles, summary, trade_term, port_cn, port_en):
    """填充销售合同中的车辆明细表（保留格式 + 删除多余行）"""
    data_start_row = 1  # 表头后第1行开始数据

    # 先找到汇总行位置
    summary_row_idx = None
    for idx, row in enumerate(table.rows):
        if idx == 0:
            continue
        row_text = ' '.join(cell.text for cell in row.cells)
        if 'Total' in row_text or '总数量' in row_text or 'SAY USD' in row_text:
            summary_row_idx = idx
            break

    # 确定可用的数据行（汇总行之前的行）
    available_data_rows = []
    for idx in range(data_start_row, len(table.rows)):
        if idx == summary_row_idx:
            break
        available_data_rows.append(idx)

    # 1. 填充车辆数据
    for i, v in enumerate(vehicles):
        if i >= len(available_data_rows):
            break
        row = table.rows[available_data_rows[i]]
        desc = build_full_description(v, v.get('_match_result'))

        if len(row.cells) > 0:
            set_cell_multiline(row.cells[0], desc)
        if len(row.cells) > 1:
            set_cell_text(row.cells[1], str(v['quantity']))
        if len(row.cells) > 2:
            set_cell_text(row.cells[2], str(v['unit_price_usd']))
        if len(row.cells) > 3:
            set_cell_text(row.cells[3], str(round(v['unit_price_usd'] * v['quantity'], 2)))

    # 2. 先填充汇总行（在删除操作之前，避免索引失效）
    if summary_row_idx is not None and summary_row_idx < len(table.rows):
        summary_row = table.rows[summary_row_idx]
        amount_en = summary['amount_in_words'].replace('SAY US ', '').replace(' only', '')
        amount_cn = summary['amount_in_chinese']

        total_text = (
            f"Total: {summary['total_qty']} units  总数量: {summary['total_qty']} 辆    \n"
            f"Total Amount:  USD {summary['total_amount']:.2f}  总金额: 美元 {summary['total_amount']:.2f}\n"
            f"(Say USD: {amount_en}  ONLY)\n"
            f"（合计美元：{amount_cn}美元整）\n"
            f"{trade_term}  {port_en}    {trade_term}  {port_cn}"
        )

        for cell in summary_row.cells:
            set_cell_multiline(cell, total_text)

    # 3. 删除多余空白行（从后往前删，跳过汇总行）
    filled_count = min(len(vehicles), len(available_data_rows))
    rows_to_delete = []
    for idx in range(data_start_row + filled_count, len(table.rows)):
        if idx == summary_row_idx:
            break
        rows_to_delete.append(table.rows[idx])
    for row in reversed(rows_to_delete):
        delete_table_row(table, row)


def generate_contracts(order_text: str, output_dir: str = '.',
                        user_prices: dict = None) -> dict:
    """
    主函数：根据订单文本生成合同

    Args:
        order_text: 订单信息文本
        output_dir: 输出目录
        user_prices: 用户手动提供的价格 {model_code: price}

    Returns:
        {
            'pi_path': str,
            'contract_path': str,
            'contract_no': str,
            'summary': dict,
            'missing_prices': list,
        }
    """
    # 1. 解析订单
    order = parse_order_info(order_text)

    # 2. 生成合同编号
    contract_no = generate_contract_no()

    # 3. 处理车型价格
    vehicles = order.get('vehicles', [])
    trade_term = order.get('trade_term', 'FCA')

    # 应用用户提供的价格
    if user_prices:
        for v in vehicles:
            if v['model_code'] in user_prices:
                v['unit_price_usd'] = user_prices[v['model_code']]

    processed, missing = process_vehicles(vehicles, trade_term)

    # 如果有缺失价格，返回提示信息
    if missing:
        return {
            'success': False,
            'missing_prices': missing,
            'message': f"以下车型在价格表中未找到，请提供单价USD: {[v['model_code'] for v in missing]}",
        }

    # 4. 计算汇总
    summary = calculate_summary(processed)

    # 5. 生成文件
    os.makedirs(output_dir, exist_ok=True)

    pi_path = generate_proforma_invoice(order, processed, summary, contract_no, output_dir)
    contract_path = generate_sales_contract(order, processed, summary, contract_no, output_dir)

    return {
        'success': True,
        'contract_no': contract_no,
        'pi_path': pi_path,
        'contract_path': contract_path,
        'summary': summary,
        'missing_prices': [],
    }


if __name__ == '__main__':
    import argparse

    parser = argparse.ArgumentParser(description='Generate export contracts from order info')
    parser.add_argument('order_file', help='Path to order info text file')
    parser.add_argument('-o', '--output', default='.', help='Output directory')
    parser.add_argument('-p', '--prices', help='JSON string of manual prices {"LZW1028SPY": 6176}')

    args = parser.parse_args()

    with open(args.order_file, 'r', encoding='utf-8') as f:
        order_text = f.read()

    user_prices = None
    if args.prices:
        import json
        user_prices = json.loads(args.prices)

    result = generate_contracts(order_text, args.output, user_prices)

    import json as json_mod
    sys.stdout.reconfigure(encoding='utf-8')
    print(json_mod.dumps(result, ensure_ascii=False, indent=2))