"""Deterministic Gitea double used by the release-artifact browser journey."""

from __future__ import annotations

import json
from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
from urllib.parse import urlsplit


REPOSITORY = {
    "id": 7,
    "name": "mobile",
    "full_name": "acme/mobile",
    "description": "Mobile filing acceptance repository",
    "html_url": "http://127.0.0.1/acme/mobile",
    "owner": {"login": "acme"},
}
USER = {"id": 1, "login": "timmy", "full_name": "Timmy"}


class FakeGiteaServer(ThreadingHTTPServer):
    def __init__(self, address: tuple[str, int]):
        super().__init__(address, FakeGiteaHandler)
        self.created_issues: list[dict] = []
        self.issue_creation_enabled = False


class FakeGiteaHandler(BaseHTTPRequestHandler):
    server: FakeGiteaServer

    def log_message(self, _format: str, *_args: object) -> None:
        return

    def _json(self, status: int, payload: object, **headers: str) -> None:
        body = json.dumps(payload).encode()
        self.send_response(status)
        self.send_header("Content-Type", "application/json")
        self.send_header("Content-Length", str(len(body)))
        for name, value in headers.items():
            self.send_header(name, value)
        self.end_headers()
        self.wfile.write(body)

    def do_GET(self) -> None:  # noqa: N802 - BaseHTTPRequestHandler API
        path = urlsplit(self.path).path
        if path == "/api/v1/user":
            self._json(200, USER)
        elif path == "/api/v1/user/repos":
            self._json(200, [REPOSITORY], **{"X-Total-Count": "1"})
        elif path in {"/api/v1/repos/acme/mobile", "/api/v1/repos/acme/mobile/"}:
            self._json(200, REPOSITORY)
        elif path == "/api/v1/repos/search":
            self._json(200, {"data": [REPOSITORY], "ok": True})
        elif path.startswith("/api/v1/"):
            self._json(200, [], **{"X-Total-Count": "0"})
        else:
            self._json(404, {"message": "not found"})

    def do_POST(self) -> None:  # noqa: N802 - BaseHTTPRequestHandler API
        path = urlsplit(self.path).path
        length = int(self.headers.get("Content-Length", "0"))
        payload = json.loads(self.rfile.read(length) or b"{}")
        if path != "/api/v1/repos/acme/mobile/issues":
            self._json(404, {"message": "not found"})
            return
        if not self.server.issue_creation_enabled:
            self._json(503, {"message": "release journey is still offline"})
            return
        self.server.created_issues.append(payload)
        assignee = payload.get("assignee")
        self._json(
            201,
            {
                "id": 101,
                "number": 41,
                "title": payload.get("title", ""),
                "body": payload.get("body", ""),
                "state": "open",
                "html_url": "http://127.0.0.1/acme/mobile/issues/41",
                "assignees": [{"login": assignee}] if assignee else [],
                "labels": [],
                "milestone": None,
                "due_date": payload.get("due_date"),
                "updated_at": "2026-08-15T12:00:00Z",
            },
        )