import Foundation

public struct Artist: MusicBrainzSearchable, Identifiable, Hashable, Equatable {
	public static let entityType: MusicBrainzEntity = .artist

	public let id: String
	public let name: String
	public let sortName: String?
	public let type: String?
	public let country: String?
	public let disambiguation: String?
	public let lifeSpan: LifeSpan?
	public let relations: [Relation]?
	public let releases: [Release]?
	public let releaseGroups: [ReleaseGroup]?
	public let score: Int?

	enum CodingKeys: String, CodingKey, Hashable, Equatable {
		case id
		case name
		case sortName = "sort-name"
		case type
		case country
		case disambiguation
		case lifeSpan = "life-span"
		case relations
		case releases
		case releaseGroups = "release-groups"
		case score
	}

	public var imageURL: URL? {
		guard let relations else { return nil }
		// Look for 'image' or 'wikimedia commons'
		for rel in relations {
			if rel.type == "image" || rel.type == "wikimedia commons" {
				if let resource = rel.url?.resource {
					var urlString = resource
					// Handle Wikimedia Commons page URLs by converting to Special:FilePath
					if urlString.contains("commons.wikimedia.org/wiki/File:") {
						let filename = urlString.components(separatedBy: "/wiki/File:").last ?? ""
						if !filename.isEmpty {
							urlString = "https://commons.wikimedia.org/wiki/Special:FilePath/\(filename)"
						}
					}
					return URL(string: urlString)
				}
			}
		}
		return nil
	}
}