import { ModelModalities } from "../types.js"; 

// Record of OpenAI model capabilities keyed by model ID (lowercased)
const RECORD_MODEL_CAPABILITIES: Record<string, { input: ModelModalities; output: ModelModalities; tool_support?: boolean }> = {
    "chatgpt-4o-latest": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-3.5-turbo": { input: { text: true, image: false, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-3.5-turbo-0125": { input: { text: true, image: false, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-3.5-turbo-1106": { input: { text: true, image: false, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-3.5-turbo-16k": { input: { text: true, image: false, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-3.5-turbo-instruct": { input: { text: true, image: false, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-3.5-turbo-instruct-0914": { input: { text: true, image: false, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-4": { input: { text: true, image: false, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-4-0125-preview": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-4-0613": { input: { text: true, image: false, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-4-1106-preview": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-4-turbo": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-4-turbo-2024-04-09": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-4-turbo-preview": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-4.1": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4.1-2025-04-14": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4.1-mini": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4.1-mini-2025-04-14": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4.1-nano": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4.1-nano-2025-04-14": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4.5-preview": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4.5-preview-2025-02-27": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4o": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4o-2024-05-13": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4o-2024-08-06": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4o-2024-11-20": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4o-mini": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4o-mini-2024-07-18": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4o-mini-search-preview": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4o-mini-search-preview-2025-03-11": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4o-search-preview": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4o-search-preview-2025-03-11": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-image-1": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: false, image: true, video: false, audio: false, embed: false }, tool_support: false },
    "o1": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o1-2024-12-17": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o1-mini": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "o1-mini-2024-09-12": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "o1-preview": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o1-preview-2024-09-12": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o1-pro": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o1-pro-2025-03-19": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o3": { input: { text: true, image: false, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o3-2025-04-16": { input: { text: true, image: false, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o3-mini": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o3-mini-2025-01-31": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o4-mini": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o4-mini-2025-04-16": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true }
};

// Populate RECORD_FAMILY_CAPABILITIES as a const record (lowest common denominator for each family)
const RECORD_FAMILY_CAPABILITIES: Record<string, { input: ModelModalities; output: ModelModalities; tool_support?: boolean }> = {
    "gpt-3.5-turbo": { input: { text: true, image: false, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-4": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "gpt-4.1": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4.5": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "gpt-4o": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o1": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o1-mini": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: false },
    "o1-pro": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o3": { input: { text: true, image: false, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o3-mini": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true },
    "o4-mini": { input: { text: true, image: true, video: false, audio: false, embed: false }, output: { text: true, image: false, video: false, audio: false, embed: false }, tool_support: true }
};

// Fallback pattern lists for inferring modalities and tool support
const IMAGE_INPUT_MODELS = ["image"];
const VIDEO_INPUT_MODELS = ["video"];
const AUDIO_INPUT_MODELS = ["audio"];
const TEXT_INPUT_MODELS = ["text"];
const IMAGE_OUTPUT_MODELS = ["image"];
const VIDEO_OUTPUT_MODELS = ["video"];
const AUDIO_OUTPUT_MODELS = ["audio"];
const TEXT_OUTPUT_MODELS = ["text"];
const EMBEDDING_OUTPUT_MODELS = ["embed"];
const TOOL_SUPPORT_MODELS = ["tool", "o1", "o3", "o4", "gpt-4.1", "gpt-4o"];

function modelMatches(modelName: string, patterns: string[]): boolean {
    return patterns.some(pattern => modelName.includes(pattern));
}

function normalizeOpenAIModelName(modelName: string): string {
    return modelName.toLowerCase();
}

/**
 * Get the full ModelCapabilities for an OpenAI model.
 * Checks RECORD_MODEL_CAPABILITIES first, then falls back to pattern-based inference.
 */
export function getModelCapabilitiesOpenAI(model: string): { input: ModelModalities; output: ModelModalities; tool_support?: boolean } {
    const normalized = normalizeOpenAIModelName(model);
    const record = RECORD_MODEL_CAPABILITIES[normalized];
    if (record) return record;
    let bestFamilyKey = undefined;
    let bestFamilyLength = 0;
    for (const key of Object.keys(RECORD_FAMILY_CAPABILITIES)) {
        if (normalized.startsWith(key) && key.length > bestFamilyLength) {
            bestFamilyKey = key;
            bestFamilyLength = key.length;
        }
    }
    if (bestFamilyKey) {
        return RECORD_FAMILY_CAPABILITIES[bestFamilyKey];
    }
    const input: ModelModalities = {
        text: modelMatches(normalized, TEXT_INPUT_MODELS) || undefined,
        image: modelMatches(normalized, IMAGE_INPUT_MODELS) || undefined,
        video: modelMatches(normalized, VIDEO_INPUT_MODELS) || undefined,
        audio: modelMatches(normalized, AUDIO_INPUT_MODELS) || undefined,
        embed: false
    };
    const output: ModelModalities = {
        text: modelMatches(normalized, TEXT_OUTPUT_MODELS) || undefined,
        image: modelMatches(normalized, IMAGE_OUTPUT_MODELS) || undefined,
        video: modelMatches(normalized, VIDEO_OUTPUT_MODELS) || undefined,
        audio: modelMatches(normalized, AUDIO_OUTPUT_MODELS) || undefined,
        embed: modelMatches(normalized, EMBEDDING_OUTPUT_MODELS) || undefined
    };
    const tool_support = modelMatches(normalized, TOOL_SUPPORT_MODELS) || undefined;
    return { input, output, tool_support };
}