# /api/article
# 負責公開範圍內的資料上傳與存取

from flask import Blueprint, current_app, request
from supabase import Client
from hashlib import sha256
import time, math

article = Blueprint('article', __name__)

# listing - public
# /api/article/list?page=&count=
@article.route("/list", methods = ["GET"])
def list():
    page = int(request.args.get("page"))
    count = int(request.args.get("count"))

    client: Client = current_app.shared_resource.client
    response = client.table("niming_posts").select("id, content, igid, created_at").order("id", desc = True).range(start=page*count, end=(page+1)*count-1).execute()
    
    return response.data

# fetching article - public
# /api/article/get?id=
@article.route("/get", methods = ["GET"])
def get():
    id = str(int(request.args.get("id")))

    client: Client = current_app.shared_resource.client
    response = client.table("niming_posts").select("id, content, igid, created_at").eq("id", id).execute()

    return response.data

# new post - public
@article.route("/post", methods = ["POST"])
def post():
    # variables
    ctx = request.form.get("ctx")
    if ctx is None: return "No content"
    else: ctx = str(ctx)
    # future - images
    # future - videos
    
    # IG API Part

    # hash
    t = str(math.floor(time.time()*10000000))
    hash = sha256( ( ctx + t ).encode() ).hexdigest()

    # Supabase
    client: Client = current_app.shared_resource.client
    response = (client.table("niming_posts").insert({
        "content": ctx, 
        "hash": hash
    }).execute())

    # log

    return response.data

# 發文者專用 - 發文者有義務記住並保護好自己發的文章的sha256
# fetching article - article owner
@article.route("/owner/get", methods = ["GET"])
def owner_list():
    hash = str(request.args.get("hash"))

    client: Client = current_app.shared_resource.client
    response = client.table("niming_posts").select("id, content, igid, created_at, hash").eq("hash", hash).execute()

    return response.data

# delete article - article owner
# Coming Soon...