import json
import re

prefixes = ["韻藻", "增"]

def replace_pipes_hybrid(content, word):
    clean_word = word
    for p in prefixes:
        if clean_word.startswith(p) and len(clean_word) > len(p):
            clean_word = clean_word[len(p):]
            break
            
    word_len = len(clean_word)
    if word_len == 0:
        return content.replace("丨", "")
        
    def repl(match):
        nonlocal pipe_idx
        block = match.group(0)
        block_len = len(block)
        
        if block_len % word_len == 0:
            # Full word match! Reset alignment.
            pipe_idx = 0
            return clean_word * (block_len // word_len)
        else:
            # Partial word match. Use current sequence.
            res = ""
            for _ in range(block_len):
                res += clean_word[pipe_idx % word_len]
                pipe_idx += 1
            return res

    pipe_idx = 0
    return re.sub(r'丨+', repl, content)

test_cases = [
    ("首陽東", "詩采葑采葑丨丨之丨"),
    ("馬首東", "左傳欒黶曰吾丨丨欲丨乃歸下軍從之"),
    ("澗瀍東", "書洛誥我乃卜丨水東丨水西惟洛食我又卜瀍水丨亦惟洛食"),
    ("日夜東", "丨丨虞集詩絳桃風急丨丨丨王惲詩付與衡漳丨丨丨許有壬詩江水舟"),
    ("東海東", "樓鑰詩萬里逺在丨丨丨張經詩崑崙之西丨"),
]

for w, c in test_cases:
    print(f"Word: {w}")
    print(f"Orig: {c}")
    print(f"Hybr: {replace_pipes_hybrid(c, w)}")
    print("-" * 40)
test_cases.append(("紫殿東", "時魚躍丨丨丨温庭筠詩一夕丨丨"))

for w, c in test_cases[-1:]:
    print(f"Word: {w}")
    print(f"Orig: {c}")
    print(f"Hybr: {replace_pipes_hybrid(c, w)}")
    print("-" * 40)