from fastapi import Depends, APIRouter, status, Query, Path, HTTPException
from internal.models import *
from internal.database import fetch_one, fetch_all, execute_query, response_success, raise_if_exists,raise_if_not_found
from dependencies import get_current_active_user

router = APIRouter(
    prefix="/blogs",
    tags=['博客管理']
)
# 获取列表
@router.get("/list")
async def blog_list():
    select_query = "SELECT blogs.id, blogtitle, blogcontent, typename, create_at, update_at, blogs.descr FROM blogs LEFT JOIN `types` ON blogs.typeid = types.id ORDER BY create_at DESC;"
    blog_list = fetch_all(select_query)
    return response_success(blog_list, "blog get list success")

# 博客新增
@router.post('/add')
async def blog_add(blog: Blog, _: User = Depends(get_current_active_user)):
    select_query = "SELECT * FROM blogs WHERE blogtitle = %s"
    existing_blog = fetch_one(select_query, (blog.blogtitle,))
    raise_if_exists(existing_blog, "blog is already exists")
    insert_query = "INSERT INTO blogs (blogtitle,blogcontent,typeid,descr) VALUES (%s,%s,%s,%s)"
    insert_data = (blog.blogtitle, blog.blogcontent, blog.typeid, blog.descr)
    execute_query(insert_query, insert_data)
    return response_success(data=blog,message="blog create success")

# 博客删除
@router.delete("/delete/{id}")
async def blog_delete(id: str = Path(description="博客id")):
    select_query = "SELECT * FROM blogs WHERE id = %s"
    existing_blog=fetch_one(select_query,(id,))
    raise_if_not_found(existing_blog,"blog not found")
    insert_query = "DELETE FROM blogs WHERE id = %s"
    execute_query(insert_query, (id,))
    return response_success(message="blog delete success")

# 博客修改
@router.put("/update/{id}")
async def blog_put(blog: Blog, id: str = Path(description="博客id")):
    select_query="SELECT * FROM blogs WHERE id=%s"
    existing_blog=fetch_one(select_query,(id,))
    raise_if_not_found(existing_blog,"blog not found")
    update_query = "UPDATE blogs SET blogtitle=%s,blogcontent=%s,typeid=%s,descr=%s WHERE id=%s;"
    update_data = (blog.blogtitle, blog.blogcontent,
                   blog.typeid, blog.descr, id)
    execute_query(update_query, update_data)
    return response_success("blog update sucess")

# 博客模糊查询
@router.get("/list/search")
async def blog_list_search(
    blogtitle: str = Query(None, description="博客标题"),
    typename: str = Query(None, description="博客类型"),
    start_date: str = Query(None, description="开始时间"),
    end_date: str = Query(None, description="结束时间"),
):
    select_query = "SELECT blogs.id, blogtitle, blogcontent, typename, create_at, update_at, blogs.descr FROM blogs LEFT JOIN `types` ON blogs.typeid = types.id WHERE 1=1"
    params = []
    if blogtitle:
        select_query += " AND blogtitle LIKE %s"
        params.append(f"%{blogtitle}%")
    if typename:
        select_query += " AND typename LIKE %s"
        params.append(f"%{typename}%")
    if start_date:
        select_query += " AND create_at >= %s"
        params.append(start_date)
    if end_date:
        select_query += " AND create_at <= %s"
        params.append(end_date)
    select_query += " ORDER BY create_at DESC"
    blog_list = fetch_all(select_query, params=params, fetchall=True)
    return response_success(data=blog_list,message="blog serach succuessfully!")

# 根据id查询博客
@router.get("/list/search/{id}")
async def get_id_blog(id:str=Path(description="博客id")):
    select_query="SELECT * FROM blogs WHERE id=%s"
    blog_list=execute_query(select_query,(id,))
    return response_success(data=blog_list,message="blog search success")