import OrgSwiftUI
import SwiftUI

/// Renders an issue/MR body or comment in whichever format it was stored as.
/// Mirrors `ReadmeView`'s dispatch, keyed on the stored `body_format` rather
/// than a file name. A missing format renders as markdown, matching every
/// body written before org support existed.
struct FormattedBodyView: View {
    let text: String
    var format: String?
    /// The repository `#N` and `!N` refer to; nil links no references.
    /// The links open through `referenceNavigation()`.
    var repo: String?

    @Environment(\.colorScheme) private var colorScheme
    @Environment(\.dynamicTypeSize) private var dynamicTypeSize
    @State private var allowance = MathAllowance()

    var isOrg: Bool { format == "org" }

    var body: some View {
        if isOrg {
            let _ = allowance.reset(for: text)
            // Qualified: `OrgView` here is org-mode, not the organization view.
            OrgSwiftUI.OrgView(
                text,
                styler: OrgSyntaxStyler(colorScheme: colorScheme),
                keywords: OrgKeywordStyle(todo: .gbOK, done: .gbDone),
                textTransform: repo.map { repo in { linkReferences(in: &$0, repo: repo) } },
                math: MathRenderer.org(dynamicTypeSize: dynamicTypeSize, allowance: allowance)
            )
        } else {
            MarkdownView(markdown: text, referenceRepo: repo)
        }
    }
}