#!/usr/bin/env python3
"""
Step 3: 输出 Excel
将叠加分析结果写入 Excel 文件
"""
import sys
import json
import os
from openpyxl import Workbook
from openpyxl.styles import Font, Alignment, PatternFill


def main():
    result_dir = os.environ.get("PARAM_RESULT_DIR", "/tmp/output/result")
    output_path = os.environ.get("PARAM_OUTPUT_PATH", "")

    if not output_path:
        print(json.dumps({"error": "缺少 output_path 参数", "success": False}))
        sys.exit(1)

    # 读取分析结果
    result_json = os.path.join(result_dir, "overlay_results.json")
    if not os.path.isfile(result_json):
        print(json.dumps({"error": f"结果文件不存在: {result_json}", "success": False}))
        sys.exit(1)

    with open(result_json, "r", encoding="utf-8") as f:
        results = json.load(f)

    # 创建工作簿
    wb = Workbook()
    ws = wb.active
    ws.title = "叠加分析结果"

    # 标题样式
    header_font = Font(bold=True, size=12, color="FFFFFF")
    header_fill = PatternFill(start_color="4472C4", end_color="4472C4", fill_type="solid")
    header_align = Alignment(horizontal="center", vertical="center")

    # 表头
    headers = ["城市", "城市代码", "城市名称", "人口", "在省内", "相交", "状态"]
    for col, h in enumerate(headers, 1):
        cell = ws.cell(row=1, column=col, value=h)
        cell.font = header_font
        cell.fill = header_fill
        cell.alignment = header_align

    # 数据行
    pass_fill = PatternFill(start_color="E2EFDA", end_color="E2EFDA", fill_type="solid")
    fail_fill = PatternFill(start_color="FCE4EC", end_color="FCE4EC", fill_type="solid")

    for row_idx, r in enumerate(results, 2):
        ws.cell(row=row_idx, column=1, value=r.get("city", ""))
        ws.cell(row=row_idx, column=2, value=r.get("city_code", ""))
        ws.cell(row=row_idx, column=3, value=r.get("city_name", ""))
        ws.cell(row=row_idx, column=4, value=r.get("population", 0))
        ws.cell(row=row_idx, column=5, value="是" if r.get("in_province") else "否")
        ws.cell(row=row_idx, column=6, value="是" if r.get("intersects") else "否")
        ws.cell(row=row_idx, column=7, value=r.get("status", ""))

        # 条件高亮
        fill = pass_fill if r.get("in_province") else fail_fill
        for col in range(1, 8):
            ws.cell(row=row_idx, column=col).fill = fill

    # 调整列宽
    ws.column_dimensions["A"].width = 15
    ws.column_dimensions["B"].width = 12
    ws.column_dimensions["C"].width = 15
    ws.column_dimensions["D"].width = 12
    ws.column_dimensions["E"].width = 10
    ws.column_dimensions["F"].width = 10
    ws.column_dimensions["G"].width = 15

    # 确保输出目录存在
    out_dir = os.path.dirname(output_path)
    if out_dir:
        os.makedirs(out_dir, exist_ok=True)

    wb.save(output_path)
    print(json.dumps({
        "success": True,
        "output_path": output_path,
        "total": len(results),
        "msg": f"Excel 已输出到: {output_path}"
    }))


if __name__ == "__main__":
    main()