import logging
from datetime import datetime
from fastapi import APIRouter, Request
from fastapi.responses import HTMLResponse, RedirectResponse
from devplacepy.database import get_table
from devplacepy.templating import templates
from devplacepy.utils import generate_uid, get_current_user, require_user

logger = logging.getLogger(__name__)
router = APIRouter()


def get_projects_list(tab: str = "recent", search: str = "", user_uid: str = None, project_type: str = None):
    projects = get_table("projects")
    users = get_table("users")
    all_projects = list(projects.all())

    if user_uid:
        all_projects = [p for p in all_projects if p["user_uid"] == user_uid]

    if project_type:
        all_projects = [p for p in all_projects if p.get("project_type") == project_type]

    if search:
        search_lower = search.lower()
        all_projects = [
            p for p in all_projects
            if search_lower in p.get("title", "").lower()
            or search_lower in p.get("description", "").lower()
        ]

    for p in all_projects:
        author = users.find_one(uid=p["user_uid"])
        p["author_name"] = author["username"] if author else "Unknown"

    if tab == "released":
        all_projects = [p for p in all_projects if p.get("status") == "Released"]
    elif tab == "popular":
        all_projects.sort(key=lambda p: int(p.get("stars", 0)), reverse=True)
    elif tab == "new":
        all_projects.sort(key=lambda p: p.get("created_at", ""), reverse=True)
    else:
        all_projects.sort(key=lambda p: p.get("created_at", ""), reverse=True)

    return all_projects


@router.get("", response_class=HTMLResponse)
async def projects_page(
    request: Request,
    tab: str = "recent",
    search: str = "",
    user_uid: str = None,
    project_type: str = None,
):
    user = get_current_user(request)
    projects = get_projects_list(tab, search, user_uid, project_type)
    users = get_table("users")
    total_members = len(list(users.all()))

    return templates.TemplateResponse("projects.html", {
        "request": request,
        "user": user,
        "projects": projects,
        "current_tab": tab,
        "search": search,
        "total_count": len(projects),
        "total_members": total_members,
    })


@router.post("/create")
async def create_project(request: Request):
    user = require_user(request)
    form = await request.form()
    title = form.get("title", "").strip()
    description = form.get("description", "").strip()
    release_date = form.get("release_date", "")
    demo_date = form.get("demo_date", "")
    project_type = form.get("project_type", "software")
    platforms = form.get("platforms", "").strip()
    status = form.get("status", "In Development")

    if not title or not description:
        return RedirectResponse(url="/projects", status_code=302)

    projects = get_table("projects")
    uid = generate_uid()
    projects.insert({
        "uid": uid,
        "user_uid": user["uid"],
        "title": title,
        "description": description,
        "release_date": release_date or None,
        "demo_date": demo_date or None,
        "project_type": project_type,
        "platforms": platforms,
        "status": status,
        "stars": 0,
        "created_at": datetime.utcnow().isoformat(),
    })

    logger.info(f"Project {uid} created by {user['username']}")
    return RedirectResponse(url="/projects", status_code=302)