import Foundation

enum CommentWriterTab: String, CaseIterable, Identifiable {
    case compose
    case preview
    case variants

    var id: String { rawValue }

    var title: String {
        switch self {
        case .compose: "Compose"
        case .preview: "Preview"
        case .variants: "Variants"
        }
    }
}

enum CommentType: String, CaseIterable, Identifiable {
    case topLevel
    case reply

    var id: String { rawValue }

    var title: String {
        switch self {
        case .topLevel: "Top-Level"
        case .reply: "Reply"
        }
    }

    var subtitle: String {
        switch self {
        case .topLevel: "Comment on the post"
        case .reply: "Reply to a comment"
        }
    }

    var systemImage: String {
        switch self {
        case .topLevel: "text.bubble"
        case .reply: "arrowshape.turn.up.left.fill"
        }
    }
}

enum CommentIntent: String, CaseIterable, Identifiable {
    case addValue
    case agree
    case disagree
    case question
    case funny
    case empathetic
    case technical
    case summary

    var id: String { rawValue }

    var title: String {
        switch self {
        case .addValue: "Add Value"
        case .agree: "Agree"
        case .disagree: "Counter"
        case .question: "Question"
        case .funny: "Funny"
        case .empathetic: "Empathetic"
        case .technical: "Technical"
        case .summary: "TL;DR"
        }
    }

    var subtitle: String {
        switch self {
        case .addValue: "Share insight or tips"
        case .agree: "Support the post/comment"
        case .disagree: "Respectful counterpoint"
        case .question: "Ask for clarification"
        case .funny: "Witty or lighthearted"
        case .empathetic: "Personal & relatable"
        case .technical: "Detailed explanation"
        case .summary: "Concise recap"
        }
    }

    var systemImage: String {
        switch self {
        case .addValue: "lightbulb.fill"
        case .agree: "hand.thumbsup.fill"
        case .disagree: "arrow.left.arrow.right"
        case .question: "questionmark.circle.fill"
        case .funny: "face.smiling.fill"
        case .empathetic: "heart.fill"
        case .technical: "wrench.and.screwdriver.fill"
        case .summary: "text.alignleft"
        }
    }
}

enum CommentLength: String, CaseIterable, Identifiable {
    case short
    case medium
    case long

    var id: String { rawValue }

    var title: String {
        switch self {
        case .short: "Short"
        case .medium: "Medium"
        case .long: "Long"
        }
    }

    var subtitle: String {
        switch self {
        case .short: "1–2 sentences"
        case .medium: "1–2 paragraphs"
        case .long: "Detailed reply"
        }
    }

    var wordRange: String {
        switch self {
        case .short: "20–60 words"
        case .medium: "60–150 words"
        case .long: "150–300 words"
        }
    }
}

enum CommentVariantCount: Int, CaseIterable, Identifiable {
    case three = 3
    case five = 5

    var id: Int { rawValue }

    var label: String { "\(rawValue) variants" }
}

struct CommentDraft: Equatable {
    var commentType: CommentType = .topLevel
    var subreddit: String = ""
    var postTitle: String = ""
    var postBody: String = ""
    var postURL: String = ""
    var parentComment: String = ""
    var topic: String = ""
    var tone: PostTone = .casual
    var intent: CommentIntent = .addValue
    var length: CommentLength = .medium
    var body: String = ""
    var includeQuote: Bool = true
    var useMarkdown: Bool = true
    var variantCount: CommentVariantCount = .three
}

struct CommentVariant: Identifiable, Equatable {
    let id: UUID
    var body: String
    var score: Int
    var reasoning: String

    init(id: UUID = UUID(), body: String, score: Int, reasoning: String) {
        self.id = id
        self.body = body
        self.score = score
        self.reasoning = reasoning
    }
}

struct GeneratedComment: Equatable {
    var body: String
    var variants: [CommentVariant]
}