import Foundation

public struct MusicBrainzSearchAction<T: MusicBrainzSearchable>: Sendable {
	public let entity: MusicBrainzEntity
	public let query: String

	fileprivate static func buildQuery(_ fields: [String: Any?], raw: String?) -> String {
		var parts: [String] = []
		for (key, value) in fields {
			if let value {
				let stringValue: String
				if let val = value as? String {
					stringValue = val
				} else if let val = value as? CustomStringConvertible {
					stringValue = val.description
				} else if let val = value as? (any RawRepresentable),
					let rawVal = val.rawValue as? String
				{
					stringValue = rawVal
				} else {
					continue
				}

				if !stringValue.isEmpty {
					let escaped = stringValue.replacingOccurrences(of: "\"", with: "\\\"")
					parts.append("\(key):\"\(escaped)\"")
				}
			}
		}
		if let raw, !raw.isEmpty {
			parts.append(raw)
		}
		return parts.joined(separator: " AND ")
	}
}

extension MusicBrainzSearchAction where T == Area {
	public static func area(
		name: String? = nil,
		type: String? = nil,
		iso: String? = nil,
		aid: String? = nil,
		alias: String? = nil,
		begin: String? = nil,
		comment: String? = nil,
		end: String? = nil,
		ended: Bool? = nil,
		sortname: String? = nil,
		tag: String? = nil,
		raw: String? = nil
	) -> Self {
		let q = buildQuery(
			[
				"area": name, "type": type, "iso": iso, "aid": aid,
				"alias": alias, "begin": begin, "comment": comment, "end": end,
				"ended": ended?.description, "sortname": sortname, "tag": tag,
			], raw: raw)
		return .init(entity: .area, query: q)
	}
}

extension MusicBrainzSearchAction where T == Artist {
	public static func artist(
		name: String? = nil,
		gender: Gender? = nil,
		country: Country? = nil,
		type: ArtistType? = nil,
		alias: String? = nil,
		area: String? = nil,
		arid: String? = nil,
		begin: String? = nil,
		beginarea: String? = nil,
		comment: String? = nil,
		end: String? = nil,
		endarea: String? = nil,
		ended: Bool? = nil,
		ipi: String? = nil,
		isni: String? = nil,
		sortname: String? = nil,
		tag: String? = nil,
		raw: String? = nil
	) -> Self {
		let q = buildQuery(
			[
				"artist": name, "gender": gender?.rawValue, "country": country?.rawValue,
				"type": type?.rawValue,
				"alias": alias, "area": area, "arid": arid, "begin": begin, "beginarea": beginarea,
				"comment": comment, "end": end, "endarea": endarea, "ended": ended?.description,
				"ipi": ipi, "isni": isni, "sortname": sortname, "tag": tag,
			], raw: raw)
		return .init(entity: .artist, query: q)
	}
}

extension MusicBrainzSearchAction where T == Event {
	public static func event(
		name: String? = nil,
		type: String? = nil,
		artist: String? = nil,
		place: String? = nil,
		aid: String? = nil,
		area: String? = nil,
		arid: String? = nil,
		begin: String? = nil,
		comment: String? = nil,
		end: String? = nil,
		ended: Bool? = nil,
		eid: String? = nil,
		pid: String? = nil,
		tag: String? = nil,
		raw: String? = nil
	) -> Self {
		let q = buildQuery(
			[
				"event": name, "type": type, "artist": artist, "place": place,
				"aid": aid, "area": area, "arid": arid, "begin": begin,
				"comment": comment, "end": end, "ended": ended?.description,
				"eid": eid, "pid": pid, "tag": tag,
			], raw: raw)
		return .init(entity: .event, query: q)
	}
}

extension MusicBrainzSearchAction where T == Instrument {
	public static func instrument(
		name: String? = nil,
		type: String? = nil,
		description: String? = nil,
		alias: String? = nil,
		comment: String? = nil,
		iid: String? = nil,
		tag: String? = nil,
		raw: String? = nil
	) -> Self {
		let q = buildQuery(
			[
				"instrument": name, "type": type, "description": description,
				"alias": alias, "comment": comment, "iid": iid, "tag": tag,
			], raw: raw)
		return .init(entity: .instrument, query: q)
	}
}

extension MusicBrainzSearchAction where T == Label {
	public static func label(
		name: String? = nil,
		type: String? = nil,
		code: String? = nil,
		country: Country? = nil,
		alias: String? = nil,
		area: String? = nil,
		begin: String? = nil,
		comment: String? = nil,
		end: String? = nil,
		ended: Bool? = nil,
		ipi: String? = nil,
		isni: String? = nil,
		laid: String? = nil,
		sortname: String? = nil,
		tag: String? = nil,
		raw: String? = nil
	) -> Self {
		let q = buildQuery(
			[
				"label": name, "type": type, "code": code, "country": country?.rawValue,
				"alias": alias, "area": area, "begin": begin, "comment": comment,
				"end": end, "ended": ended?.description, "ipi": ipi, "isni": isni,
				"laid": laid, "sortname": sortname, "tag": tag,
			], raw: raw)
		return .init(entity: .label, query: q)
	}
}

extension MusicBrainzSearchAction where T == Place {
	public static func place(
		name: String? = nil,
		type: String? = nil,
		address: String? = nil,
		area: String? = nil,
		alias: String? = nil,
		begin: String? = nil,
		comment: String? = nil,
		end: String? = nil,
		ended: Bool? = nil,
		lat: String? = nil,
		long: String? = nil,
		pid: String? = nil,
		raw: String? = nil
	) -> Self {
		let q = buildQuery(
			[
				"place": name, "type": type, "address": address, "area": area,
				"alias": alias, "begin": begin, "comment": comment, "end": end,
				"ended": ended?.description, "lat": lat, "long": long, "pid": pid,
			], raw: raw)
		return .init(entity: .place, query: q)
	}
}

extension MusicBrainzSearchAction where T == Recording {
	public static func recording(
		title: String? = nil,
		artist: String? = nil,
		release: String? = nil,
		isrc: String? = nil,
		arid: String? = nil,
		comment: String? = nil,
		country: Country? = nil,
		date: String? = nil,
		dur: String? = nil,
		firstreleasedate: String? = nil,
		format: String? = nil,
		number: String? = nil,
		position: String? = nil,
		primarytype: String? = nil,
		reid: String? = nil,
		rgid: String? = nil,
		rid: String? = nil,
		secondarytype: String? = nil,
		status: String? = nil,
		tag: String? = nil,
		tid: String? = nil,
		tnum: String? = nil,
		video: Bool? = nil,
		raw: String? = nil
	) -> Self {
		let q = buildQuery(
			[
				"recording": title, "artist": artist, "release": release, "isrc": isrc,
				"arid": arid, "comment": comment, "country": country?.rawValue, "date": date,
				"dur": dur, "firstreleasedate": firstreleasedate, "format": format,
				"number": number, "position": position, "primarytype": primarytype,
				"reid": reid, "rgid": rgid, "rid": rid, "secondarytype": secondarytype,
				"status": status, "tag": tag, "tid": tid, "tnum": tnum, "video": video?.description,
			], raw: raw)
		return .init(entity: .recording, query: q)
	}
}

extension MusicBrainzSearchAction where T == Release {
	public static func release(
		title: String? = nil,
		artist: String? = nil,
		label: String? = nil,
		barcode: String? = nil,
		status: String? = nil,
		arid: String? = nil,
		asin: String? = nil,
		catno: String? = nil,
		comment: String? = nil,
		country: Country? = nil,
		date: String? = nil,
		discids: String? = nil,
		format: String? = nil,
		laid: String? = nil,
		mediums: String? = nil,
		primarytype: String? = nil,
		puid: String? = nil,
		reid: String? = nil,
		rgid: String? = nil,
		script: String? = nil,
		secondarytype: String? = nil,
		tag: String? = nil,
		tracks: String? = nil,
		raw: String? = nil
	) -> Self {
		let q = buildQuery(
			[
				"release": title, "artist": artist, "label": label, "barcode": barcode,
				"status": status,
				"arid": arid, "asin": asin, "catno": catno, "comment": comment,
				"country": country?.rawValue,
				"date": date, "discids": discids, "format": format, "laid": laid,
				"mediums": mediums,
				"primarytype": primarytype, "puid": puid, "reid": reid, "rgid": rgid,
				"script": script,
				"secondarytype": secondarytype, "tag": tag, "tracks": tracks,
			], raw: raw)
		return .init(entity: .release, query: q)
	}
}

extension MusicBrainzSearchAction where T == ReleaseGroup {
	public static func releaseGroup(
		title: String? = nil,
		artist: String? = nil,
		type: String? = nil,
		arid: String? = nil,
		comment: String? = nil,
		primarytype: String? = nil,
		rgid: String? = nil,
		releases: String? = nil,
		secondarytype: String? = nil,
		status: String? = nil,
		tag: String? = nil,
		raw: String? = nil
	) -> Self {
		let q = buildQuery(
			[
				"releasegroup": title, "artist": artist, "type": type, "arid": arid,
				"comment": comment, "primarytype": primarytype, "rgid": rgid,
				"releases": releases, "secondarytype": secondarytype, "status": status, "tag": tag,
			], raw: raw)
		return .init(entity: .releaseGroup, query: q)
	}
}

extension MusicBrainzSearchAction where T == Series {
	public static func series(
		name: String? = nil,
		type: String? = nil,
		alias: String? = nil,
		comment: String? = nil,
		sid: String? = nil,
		tag: String? = nil,
		raw: String? = nil
	) -> Self {
		let q = buildQuery(
			[
				"series": name, "type": type, "alias": alias, "comment": comment,
				"sid": sid, "tag": tag,
			], raw: raw)
		return .init(entity: .series, query: q)
	}
}

extension MusicBrainzSearchAction where T == Work {
	public static func work(
		title: String? = nil,
		artist: String? = nil,
		type: String? = nil,
		iswc: String? = nil,
		alias: String? = nil,
		arid: String? = nil,
		comment: String? = nil,
		lang: String? = nil,
		tag: String? = nil,
		wid: String? = nil,
		raw: String? = nil
	) -> Self {
		let q = buildQuery(
			[
				"work": title, "artist": artist, "type": type, "iswc": iswc,
				"alias": alias, "arid": arid, "comment": comment, "lang": lang,
				"tag": tag, "wid": wid,
			], raw: raw)
		return .init(entity: .work, query: q)
	}
}

extension MusicBrainzSearchAction where T == URLReference {
	public static func url(
		resource: String? = nil,
		targettype: String? = nil,
		targetid: String? = nil,
		uid: String? = nil,
		raw: String? = nil
	) -> Self {
		let q = buildQuery(
			[
				"url": resource, "targettype": targettype, "targetid": targetid, "uid": uid,
			], raw: raw)
		return .init(entity: .url, query: q)
	}
}