from indexer.config import ROOT_PATH, ROOT_NAME, DRY_RUN
from indexer.scanner import scan_files
from indexer.db import (
    get_connection,
    preload_mark_all_missing,
    find_file_by_path,
    insert_file,
    update_file,
    path_hash,
)
from indexer.events import log_event

def main():
    print("=" * 60)
    print("ORDINACE DROPBOX BACKUP – INDEXER")
    print(f"Root    : {ROOT_PATH}")
    print(f"Name    : {ROOT_NAME}")
    print(f"DRY RUN : {DRY_RUN}")
    print("=" * 60)

    conn = get_connection()
    cur = conn.cursor()

    if not DRY_RUN:
        preload_mark_all_missing()

    created = modified = seen = 0

    for file in scan_files(ROOT_PATH):
        seen += 1
        ph = path_hash(file["full_path"])
        row = find_file_by_path(cur, ph)

        if row is None:
            created += 1
            if not DRY_RUN:
                file_id = insert_file(cur, file)
                log_event(cur, file_id, "CREATED", new=file)
        else:
            file_id, old_size, old_mtime, old_hash = row
            if old_size != file["size"] or old_hash != file["content_hash"]:
                modified += 1
                if not DRY_RUN:
                    update_file(cur, file_id, file)
                    log_event(
                        cur,
                        file_id,
                        "MODIFIED",
                        old={"size": old_size, "content_hash": old_hash},
                        new=file,
                    )
            else:
                if not DRY_RUN:
                    cur.execute(
                        "UPDATE files SET last_seen = NOW(), exists_now = 1 WHERE id = %s",
                        (file_id,)
                    )

        if seen % 500 == 0:
            print(f"{seen} files scanned...")

    if not DRY_RUN:
        conn.commit()

    print("================================")
    print(f"Scanned  : {seen}")
    print(f"Created  : {created}")
    print(f"Modified : {modified}")

    conn.close()

if __name__ == "__main__":
    main()