meetings_app/meetings_app/Google/GoogleMeetClient.swift

import Foundation

enum GoogleMeetClientError: Error {
    case invalidResponse
    case httpStatus(Int)
}

/// Thin Meet REST API wrapper.
/// Note: Meet REST API is best used for conferences/participants/artifacts, while scheduling comes from Calendar.
final class GoogleMeetClient {
    private let session: URLSession

    init(session: URLSession = .shared) {
        self.session = session
    }

    /// Lists conference records for a given meeting space resource name.
    /// This is intentionally minimal scaffolding for phase 2 enrichment.
    func listConferenceRecords(accessToken: String, spaceResourceName: String, pageSize: Int = 10) async throws -> [ConferenceRecord] {
        var components = URLComponents(string: "https://meet.googleapis.com/v2/\(spaceResourceName)/conferenceRecords")!
        components.queryItems = [
            URLQueryItem(name: "pageSize", value: String(pageSize))
        ]

        var request = URLRequest(url: components.url!)
        request.httpMethod = "GET"
        request.setValue("Bearer \(accessToken)", forHTTPHeaderField: "Authorization")

        let (data, response) = try await session.data(for: request)
        guard let http = response as? HTTPURLResponse else { throw GoogleMeetClientError.invalidResponse }
        guard (200..<300).contains(http.statusCode) else { throw GoogleMeetClientError.httpStatus(http.statusCode) }

        let decoded = try JSONDecoder().decode(ListConferenceRecordsResponse.self, from: data)
        return decoded.conferenceRecords ?? []
    }
}

// MARK: - Minimal models (v2)

struct ConferenceRecord: Decodable, Equatable {
    let name: String?
    let startTime: Date?
    let endTime: Date?
}

private struct ListConferenceRecordsResponse: Decodable {
    let conferenceRecords: [ConferenceRecord]?
    let nextPageToken: String?
}