export type FrontmatterFieldKind = "string" | "text" | "number" | "boolean" | "date" | "string-array" | "reference" | "image" | "object";

export interface FrontmatterFieldSchema {
    key: string;
    label: string;
    kind: FrontmatterFieldKind;
    required?: boolean;
    maxLength?: number;
    collection?: string;
    defaultValue?: unknown;
    description?: string;
}

export interface FrontmatterCollectionSchema {
    collection: string;
    label: string;
    fields: FrontmatterFieldSchema[];
}

export const markdownFrontmatterSchemas: Record<string, FrontmatterCollectionSchema> = {
    pages: {
        collection: "pages",
        label: "Pages",
        fields: [
            { key: "title", label: "Title", kind: "string", required: true, maxLength: 80 },
            { key: "description", label: "Description", kind: "text", required: true, maxLength: 120 },
            { key: "image", label: "Image", kind: "image" },
            { key: "slugs", label: "Slugs", kind: "object", description: "Language to slug mapping, for example { de: 'seite', en: 'page' }." },
        ],
    },
    help: {
        collection: "help",
        label: "Help",
        fields: [
            { key: "title", label: "Title", kind: "string", required: true, maxLength: 80 },
            { key: "description", label: "Description", kind: "text", required: true, maxLength: 120 },
            { key: "tags", label: "Tags", kind: "string-array", required: true },
            { key: "related", label: "Related", kind: "string-array", collection: "help", description: "IDs of related help pages." },
        ],
    },
    rules: {
        collection: "rules",
        label: "Rules",
        fields: [
            { key: "translationKey", label: "Translation key", kind: "string", required: true },
            { key: "mode", label: "Mode", kind: "reference", collection: "modes" },
        ],
    },
    announcements: {
        collection: "announcements",
        label: "Announcements",
        fields: [
            { key: "title", label: "Title", kind: "string", required: true },
            { key: "description", label: "Description", kind: "text", required: true },
            { key: "author", label: "Author", kind: "string" },
            { key: "image", label: "Image", kind: "image" },
            { key: "tags", label: "Tags", kind: "string-array", required: true },
            { key: "created", label: "Created", kind: "date", required: true },
            { key: "key", label: "Key", kind: "string", required: true },
        ],
    },
    events: {
        collection: "events",
        label: "Events",
        fields: [
            { key: "eventId", label: "Event ID", kind: "number", required: true },
            { key: "image", label: "Image", kind: "image" },
            { key: "mode", label: "Mode", kind: "reference", collection: "modes" },
            { key: "hideTeamSize", label: "Hide team size", kind: "boolean", defaultValue: false },
            { key: "verantwortlich", label: "Verantwortlich", kind: "string" },
            { key: "viewConfig", label: "View config", kind: "object" },
        ],
    },
    docs: {
        collection: "docs",
        label: "Docs",
        fields: [
            { key: "title", label: "Title", kind: "string", required: true },
            { key: "description", label: "Description", kind: "text" },
            { key: "sidebar", label: "Sidebar", kind: "object" },
            { key: "template", label: "Template", kind: "string" },
            { key: "draft", label: "Draft", kind: "boolean" },
        ],
    },
};

export function getMarkdownFrontmatterSchema(collection: string | undefined): FrontmatterCollectionSchema | undefined {
    if (!collection) {
        return undefined;
    }

    return markdownFrontmatterSchemas[collection];
}