"""Interface with the mediawiki API."""

import typing
from pprint import pprint
from typing import Any, cast

from . import wikidata_oauth

wiki_hostname = "en.wikipedia.org"
wiki_api_php = f"https://{wiki_hostname}/w/api.php"
user_agent = "add-links/0.1"


def parse_page(enwiki: str) -> dict[str, Any]:
    """Call mediawiki parse API for given article."""
    params: dict[str, str | int] = {
        "action": "parse",
        "format": "json",
        "formatversion": 2,
        "disableeditsection": 1,
        "page": enwiki,
        "prop": "text|links|headhtml",
        "disabletoc": 1,
    }

    parse: dict[str, Any] = call(params)["parse"]
    return parse


def call(params: dict[str, str | int]) -> dict[str, typing.Any]:
    """Make GET request to mediawiki API."""
    data = wikidata_oauth.api_post_request(params)
    return cast(dict[str, Any], data.json())


def article_exists(title: str) -> bool:
    """Get article text."""
    params: dict[str, str | int] = {
        "action": "query",
        "format": "json",
        "formatversion": 2,
        "titles": title,
    }
    return not call(params)["query"]["pages"][0].get("missing")


def get_content(title: str) -> tuple[str, int]:
    """Get article text."""
    params: dict[str, str | int] = {
        "action": "query",
        "format": "json",
        "formatversion": 2,
        "prop": "revisions|info",
        "rvprop": "content|timestamp|ids",
        "titles": title,
    }
    data = call(params)
    rev = data["query"]["pages"][0]["revisions"][0]
    content: str = rev["content"]
    revid: int = int(rev["revid"])
    return content, revid


def compare(title: str, new_text: str) -> str:
    """Generate a diff for the new article text."""
    params: dict[str, str | int] = {
        "format": "json",
        "formatversion": 2,
        "action": "compare",
        "fromtitle": title,
        "toslots": "main",
        "totext-main": new_text,
        "prop": "diff",
    }
    diff: str = call(params)["compare"]["body"]
    return diff


def edit_page(
    pageid: int, section: str | int, text: str, summary: str, baserevid: str, token: str
) -> str:
    """Edit a page on Wikipedia."""
    params: dict[str, str | int] = {
        "format": "json",
        "formatversion": 2,
        "action": "edit",
        "pageid": pageid,
        "text": text,
        "baserevid": baserevid,
        "token": token,
        "nocreate": 1,
        "summary": summary,
        "section": section,
    }
    ret = call(params)
    if "edit" not in ret:
        print("params")
        pprint(params)
        print()
        pprint(ret)
    return typing.cast(str, ret["edit"])