"""
第二轮归档：迁移脚本 + 过时的变更记录文档。
保留：seeds、fdw、create_test_db、数据字典类 BD_Manual。

用法：cd C:\\NeoZQYY && python scripts/ops/_archive_phase2.py
"""
import shutil
from pathlib import Path
from datetime import date

ROOT = Path(__file__).resolve().parent.parent.parent
ARCHIVE_BASE = ROOT / "db" / "_archived" / f"ddl_baseline_{date.today().isoformat()}"

# ── 1. db/ 下的迁移脚本 ──────────────────────────────────────────────────
MIGRATION_FILES = []
for d in ["db/etl_feiqiu/migrations", "db/zqyy_app/migrations"]:
    p = ROOT / d
    if p.exists():
        for f in sorted(p.glob("*.sql")):
            MIGRATION_FILES.append(str(f.relative_to(ROOT)))

# 一次性数据迁移脚本
MIGRATION_FILES.append("db/scripts/migrate_test_data.sql")

# ── 2. docs/database/ 下的迁移变更记录（非数据字典） ─────────────────────
# 迁移变更记录：记录某次 ALTER/DROP/CREATE 操作的 BD_Manual
MIGRATION_DOCS = [
    "docs/database/BD_Manual_dim_member_add_birthday.md",       # C1 加列
    "docs/database/BD_Manual_drop_assistant_abolish_tables.md",  # 删表
    "docs/database/BD_Manual_dws_assistant_monthly_uk_change.md", # 改约束
    "docs/database/BD_Manual_dws_assistant_salary_uk_change.md",  # 改约束
    "docs/database/BD_Manual_fix_bc_sentinel_dates.md",          # 修数据
    "docs/database/BD_Manual_fdw_reverse_member_birthday.md",    # FDW 变更
    "docs/database/BD_Manual_member_birthday_manual.md",         # 新建表
    "docs/database/etl_feiqiu_schema_migration.md",              # 迁移汇总
    "docs/database/zqyy_app_admin_web_tables.md",                # 新建表
]

# docs 归档到 docs/database/_archived/
DOCS_ARCHIVE = ROOT / "docs" / "database" / "_archived"


def move_file(src_rel, dest_base):
    """移动文件，保留相对路径结构。"""
    src = ROOT / src_rel
    if not src.exists():
        return None
    dest = dest_base / src_rel
    dest.parent.mkdir(parents=True, exist_ok=True)
    shutil.move(str(src), str(dest))
    return src_rel


def main():
    moved_db = []
    moved_docs = []

    # 归档迁移 SQL
    print("── 归档迁移脚本 → db/_archived/ ──")
    for rel in MIGRATION_FILES:
        result = move_file(rel, ARCHIVE_BASE)
        if result:
            moved_db.append(result)
            print(f"  ✅ {result}")

    # 归档迁移变更文档
    print("\n── 归档迁移变更文档 → docs/database/_archived/ ──")
    for rel in MIGRATION_DOCS:
        src = ROOT / rel
        if not src.exists():
            continue
        dest = DOCS_ARCHIVE / src.name
        DOCS_ARCHIVE.mkdir(parents=True, exist_ok=True)
        shutil.move(str(src), str(dest))
        moved_docs.append(rel)
        print(f"  ✅ {src.name}")

    # 补充 .gitkeep
    for d in ["db/etl_feiqiu/migrations", "db/zqyy_app/migrations", "db/scripts"]:
        gk = ROOT / d / ".gitkeep"
        dp = ROOT / d
        if dp.exists() and not gk.exists():
            # 检查目录是否只剩 .gitkeep 或为空
            remaining = [f for f in dp.iterdir() if f.name != ".gitkeep"]
            if not remaining:
                gk.touch()
                print(f"  📄 补充 {d}/.gitkeep")

    print(f"\n✅ 完成：归档 {len(moved_db)} 个迁移 SQL + {len(moved_docs)} 个变更文档")


if __name__ == "__main__":
    main()