from pathlib import Path

from fastapi import FastAPI, HTTPException
from fastapi.responses import FileResponse
from fastapi.staticfiles import StaticFiles

from app import db
from app.admin import create_admin
from app.verify import Verifier

BASE_DIR = Path(__file__).resolve().parent
ICON_DIR = BASE_DIR / "static" / "icons"

verifier = Verifier()

app = FastAPI(title="IDRS API")
app.mount("/static", StaticFiles(directory=str(BASE_DIR / "static")), name="static")

create_admin(app)


@app.get("/api/getTokenInfo")
def get_token_info():
    tokens = []
    for t in db.list_tokens():
        tokens.append(
            {
                "idfToken": t.idfToken,
                "position": t.position,
                "typeBlockchain": t.typeBlockchain,
                "name": t.name,
                "symbol": t.symbol,
                "contractAddr": t.contractAddr,
                "decimals": t.decimals,
                "iconUrl": t.iconUrl,
                "filename": t.filename,
                "is_live": bool(t.is_live),
            }
        )
    return {"tokenList": tokens}


@app.get("/api/version/android")
def get_version_android():
    v = db.get_version()
    return {
        "idVersion": v.idVersion,
        "appName": v.appName,
        "acceptableVersion": v.acceptableVersion,
        "latestVersion": v.latestVersion,
    }


def _serve_icon(filename: str):
    token_dir = ICON_DIR / "token"
    path = (token_dir / filename).resolve()
    if not path.is_file() or token_dir.resolve() not in path.parents:
        raise HTTPException(status_code=404, detail="not found")
    return FileResponse(path, media_type="image/png")


@app.get("/img/token/{filename}")
def get_icon(filename: str):
    return _serve_icon(filename)


@app.get("/public/img/token/{filename}")
def get_public_icon(filename: str):
    return _serve_icon(filename)


@app.on_event("startup")
def startup():
    db.init_db()
    verifier.start()