import sqlite3

import UtilPack as util
import MgrSQLiteDB as MyDB

class MgrCalibreDB(MyDB.MgrSQLiteDB):
    def __init__(self, path: str):
        super().__init__(path)
        self.init()

    def init(self):
        # 데이터베이스 연결 (파일이 없으면 새로 생성됨)
        self.conn = sqlite3.connect(self.path)
        self.conn.create_function("title_sort", 1, self._title_sort )
        self.cursor = self.conn.cursor()

    #
    def _title_sort(self, value):
        return 0
    

    # 테이블의 마지막 인덱스를 가져온다. 잘못되면 -1
    def GetLastIndexID(self, strTableName: str) -> int :
        if True == util.IsEmptyStr(strTableName):
            return -1

        strSQL = f"SELECT MAX(id) FROM \'{strTableName}\';"
        listMaxID = self.SQLExecute_Get(self.cursor, strSQL)
        if listMaxID is None or 0 >= len(listMaxID):
            util.DbgOut("Error : Invalid Table Name")
            return -1
        
        return listMaxID[0][0] + 1
    
    #
    def GetBookTitleByID(self, nID: int) -> str:
        if 0 >= nID:
            return ""
    
        listRet = self.GetValuesOneCondition("books", "title", "id", str(nID))
        if 0 >= len(listRet):
            return ""
        
        return listRet[0]
    

    #
    def GetAuthorByID(self, nID: int ) -> str:
        if 0 >= nID:
            return ""
    
        listRet = self.GetValuesOneCondition("authors", "name", "id", f"{nID}")
        if 0 >= len(listRet):
            return ""
        
        return listRet[0]
    

    #
    def GetAuthorsByBookID(self, nID: int ) -> list[str]:
        if 0 >= nID:
            return []
        
        listAuthorID = self.GetValuesOneCondition("books_authors_link", "author", "book", f"{nID}")
        print(f"GetAuthorsByBookID : {listAuthorID}")

        if 0 >= len(listAuthorID):
            return []
        
        listRet = list[str]()
        for strAuthorID in listAuthorID:
            if True == util.IsEmptyStr(strAuthorID):
                continue
            
            nAuthorID = int(strAuthorID)
            strAuthorName = self.GetAuthorByID(nAuthorID)
            if True == util.IsEmptyStr(strAuthorName):
                continue
            
            listRet.append(strAuthorName)

        return listRet
    
    #
    def GetDataByBookID(self, nID: int ) -> tuple[str, int, str]:
        if 0 >= nID:
            return ("", 0, "")
        
        strSQL = f"SELECT format, uncompressed_size, name FROM data WHERE book = {nID};"
        listRet = self.SQLExecute_Get(self.cursor, strSQL)
        if listRet is None or 0 >= len(listRet):
            return ("", 0, "")
        
        return listRet[0]
 
    #
    def GetTagByID(self, strTag: str) -> int:
        if True == util.IsEmptyStr(strTag):
            return -1
        
        listRet = self.GetValuesOneCondition("tags", "id", "name", strTag)
        if 0 >= len(listRet):
            return -1
        
        return int(listRet[0])
    

    # title, author, cover, ext(path), id
    # id, title, has_cover, path, And author
    def GetBookListforUI_ArcList(self) -> list[tuple[str, str, str, str, str]]:   
        strSQL = f"Select id, title, path, has_cover from books;"
        listResult = self.SQLExecute_Get(self.cursor, strSQL)
        if listResult is None or 0 >= len(listResult):
            return []  
        
        listRet = list[tuple[str, str, str, str, str]]()
        for item in listResult:
            nID = item[0]
            strTitle = item[1]
            strPath = item[2]
            nHasCover = item[3]

            if 0 >= nID:
                continue

            listAuthors = self.GetAuthorsByBookID(nID)
            strAuthor = ", ".join(listAuthors) if listAuthors else "Unknown"

            listRet.append((strTitle, strAuthor, str(nHasCover), strPath, str(nID)))

        return listRet

    #
    def InsertAuthor(self, strAuthor: str):
        if True == util.IsEmptyStr(strAuthor):
            return 

        strTableName = "authors"        
        nMaxID = self.GetLastIndexID(strTableName)
        if 0 >= nMaxID:
            util.DbgOut("Error : Invalid Table Name")
            return

        strAuthorSort = strAuthor.replace(" ", ",")
        strSQL = f"INSERT OR IGNORE INTO \'{strTableName}\' VALUES ({nMaxID}, \'{strAuthor}\',\'{strAuthorSort}\', \'\');"
        self.SQLExecute(self.cursor, strSQL, True)


    #
    def InsertTag(self, strTag: str):
        if True == util.IsEmptyStr(strTag): 
            return 

        strTableName = "tags"
        nMaxID = self.GetLastIndexID(strTableName)
        if 0 >= nMaxID:
            util.DbgOut("Error : Invalid Table Name")
            return

        strSQL = f"INSERT OR IGNORE INTO \'{strTableName}\' VALUES ({nMaxID}, \'{strTag}\', \'\');"
        self.SQLExecute(self.cursor, strSQL, True)


""" #Example usage
def main():
    db = MgrCalibreDB("/Users/minarinari/캘리버 서재/metadata.db")
    db.init()

    #db.UpdateTableValue("books", 3, "title", "삭막")
    db.InsertAuthor("Oyster")
    listValues = db.GetTableAllData("authors")
    print(listValues)

    db.InsertTag("female:Bondage")
    listValues2 = db.GetTableAllData("Tags")
    print(listValues2)

# For Main Loop
if __name__ == '__main__':
    main() 
"""

#coments table
# 자체 id, book id, 코멘트...<- 여기다 json 을 넣자.
# id, book ,comment

# data table
# 자체 id, book id, 파일 포멧, cbz, 크기, 파일 이름
# id, book, format, uncompressed_size, name

# 테이블 생성
#cursor.execute('''CREATE TABLE IF NOT EXISTS users
#                  (id INTEGER PRIMARY KEY AUTOINCREMENT,
#                   name TEXT NOT NULL,
#                   age INTEGER,
#                   email TEXT)''')

# 데이터 삽입
#cursor.execute("INSERT INTO users (name, age, email) VALUES (?, ?, ?)",
#               ("Alice", 30, "alice@example.com"))
#conn.commit()

# 데이터 조회
# cursor.execute("SELECT * FROM books")
# rows = cursor.fetchall()
# for nRow in range(0, len(rows)):
#     row = rows[nRow]
#     for nCol in range(0,len(row)):
#         item = row[nCol]

#         print(f"{nRow}:{nCol} -> {item}")
    
#     print("\r\n")

# 데이터 업데이트
#cursor.execute("UPDATE users SET age = ? WHERE name = ?", (31, "Alice"))
#conn.commit()

# 데이터 삭제
#cursor.execute("DELETE FROM users WHERE name = ?", ("Alice",))
#conn.commit()

# 연결 닫기
#conn.close()