import Foundation

protocol ThumbnailTemplate {

    func generate(_ content: [ThumbnailKey : String], shouldIndent: Bool) throws -> String
}

enum ThumbnailKey: String, CaseIterable {
    case url = "URL"
    case image = "IMAGE"
    case image2x = "IMAGE_2X"
    case title = "TITLE"
    case corner = "CORNER"
}

struct LargeThumbnailTemplate: Template, ThumbnailTemplate {

    typealias Key = ThumbnailKey

    static let templateName = "thumbnail-large.html"

    let raw: String

    func makeCorner(text: String) -> String {
        "<span class=\"corner\"><span>\(text)</span></span>"
    }

    func makeTitleSuffix(_ suffix: String) -> String {
        "<span class=\"suffix\">\(suffix)</span>"
    }
}

struct SquareThumbnailTemplate: Template, ThumbnailTemplate {

    typealias Key = ThumbnailKey

    static let templateName = "thumbnail-square.html"

    let raw: String
}

struct SmallThumbnailTemplate: Template, ThumbnailTemplate {

    typealias Key = ThumbnailKey

    static let templateName = "thumbnail-small.html"

    let raw: String
}