import SwiftUI

public struct AICard<Content: View>: View {
    private let content: Content

    public init(@ViewBuilder content: () -> Content) {
        self.content = content()
    }

    public var body: some View {
        content
            .padding(16)
            .background(AITheme.surface)
            .clipShape(RoundedRectangle(cornerRadius: AITheme.cardRadius))
            .overlay {
                RoundedRectangle(cornerRadius: AITheme.cardRadius)
                    .strokeBorder(AITheme.line)
            }
    }
}

public struct AITag: View {
    private let text: String
    private let tint: Color

    public init(_ text: String, tint: Color = AITheme.primary) {
        self.text = text
        self.tint = tint
    }

    public var body: some View {
        Text(text)
            .font(.system(size: 12, weight: .semibold))
            .foregroundStyle(tint)
            .padding(.horizontal, 9)
            .frame(minHeight: 26)
            .background(tint.opacity(0.10))
            .clipShape(Capsule())
    }
}

public struct AIFieldStyle: TextFieldStyle {
    public init() {}

    public func _body(configuration: TextField<Self._Label>) -> some View {
        configuration
            .padding(.horizontal, 12)
            .frame(minHeight: AITheme.buttonHeight)
            .background(AITheme.canvas)
            .clipShape(RoundedRectangle(cornerRadius: AITheme.buttonRadius))
            .overlay {
                RoundedRectangle(cornerRadius: AITheme.buttonRadius)
                    .strokeBorder(AITheme.line)
            }
    }
}

public struct AISearchField: View {
    private let placeholder: String
    @Binding private var text: String
    private var onSubmit: (() -> Void)?

    public init(
        _ placeholder: String,
        text: Binding<String>,
        onSubmit: (() -> Void)? = nil
    ) {
        self.placeholder = placeholder
        self._text = text
        self.onSubmit = onSubmit
    }

    public var body: some View {
        HStack(spacing: 8) {
            Image(systemName: "magnifyingglass")
                .foregroundStyle(AITheme.muted)
            TextField(placeholder, text: $text)
                .textFieldStyle(.plain)
                .onSubmit {
                    onSubmit?()
                }
        }
        .padding(.horizontal, 12)
        .frame(minHeight: AITheme.buttonHeight)
        .background(AITheme.surface)
        .clipShape(RoundedRectangle(cornerRadius: AITheme.buttonRadius))
        .overlay {
            RoundedRectangle(cornerRadius: AITheme.buttonRadius)
                .strokeBorder(AITheme.line)
        }
    }
}

public struct AIBrandBar: View {
    public init() {}

    public var body: some View {
        HStack(spacing: 10) {
            Image(systemName: "antenna.radiowaves.left.and.right")
            Text(AppMetadata.name)
                .font(.headline)
            Spacer()
        }
        .foregroundStyle(.white)
        .padding(.horizontal, 16)
        .padding(.vertical, 12)
        .background(Color(red: 0.075, green: 0.118, blue: 0.188))
    }
}