import { convertData } from '../convert/convert.js';
import { MODEL_PROVIDER } from '../utils/common.js';

/**
 * 各提供商支持的模型列表
 * 用于前端UI选择不支持的模型
 */
export const PROVIDER_MODELS = {
    'gemini-cli-oauth': [
        'gemini-2.5-flash',
        'gemini-2.5-flash-lite',
        'gemini-2.5-pro',
        'gemini-2.5-pro-preview-06-05',
        'gemini-2.5-flash-preview-09-2025',
        'gemini-3-pro-preview',
        'gemini-3-flash-preview',
        'gemini-3.1-pro-preview',
        'gemini-3.1-flash-lite-preview',
    ],
    'gemini-antigravity': [
        'gemini-3-flash',
        'gemini-3.1-pro-high',
        'gemini-3.1-pro-low',
        'gemini-3.1-flash-image',
        'gemini-3-flash-agent',
        'gemini-2.5-flash',
        'gemini-2.5-flash-lite',
        'gemini-2.5-flash-thinking',
        'gemini-claude-sonnet-4-6',
        'gemini-claude-opus-4-6-thinking',
    ],
    'claude-custom': [],
    'claude-kiro-oauth': [
        'claude-haiku-4-5',
        'claude-opus-4-6',
        'claude-sonnet-4-6',
        'claude-opus-4-5',
        'claude-opus-4-5-20251101',
        'claude-sonnet-4-5',
        'claude-sonnet-4-5-20250929',
        'claude-sonnet-4-20250514',
        'claude-3-7-sonnet-20250219'
    ],
    'openai-custom': [],
    'openaiResponses-custom': [],
    'openai-qwen-oauth': [
        'qwen3-coder-plus',
        'qwen3-coder-flash',
        'coder-model',
        'vision-model'
    ],
    'openai-iflow': [
        // iFlow 特有模型
        'iflow-rome-30ba3b',
        // Qwen 模型
        'qwen3-coder-plus',
        'qwen3-max',
        'qwen3-vl-plus',
        'qwen3-max-preview',
        'qwen3-32b',
        'qwen3-235b-a22b-thinking-2507',
        'qwen3-235b-a22b-instruct',
        'qwen3-235b',
        // Kimi 模型
        'kimi-k2-0905',
        'kimi-k2',
        // GLM 模型
        'glm-4.6',
        // DeepSeek 模型
        'deepseek-v3.2',
        'deepseek-r1',
        'deepseek-v3',
        // 手动定义
        'glm-4.7',
        'glm-5',
        'kimi-k2.5',
        'minimax-m2.1',
        'minimax-m2.5',
    ],
    'openai-codex-oauth': [
        'gpt-5',
        'gpt-5-codex',
        'gpt-5-codex-mini',
        'gpt-5.1',
        'gpt-5.1-codex',
        'gpt-5.1-codex-mini',
        'gpt-5.1-codex-max',
        'gpt-5.2',
        'gpt-5.2-codex',
        'gpt-5.3-codex',
        'gpt-5.3-codex-spark',
        'gpt-5.4',
        'gpt-5.4-mini',
    ],
    'forward-api': [],
    'grok-custom': [
        'grok-4.1-mini',
        'grok-4.1-thinking',
        'grok-4.20',
        'grok-4.20-auto',
        'grok-4.20-fast',
        'grok-4.20-expert',
        'grok-4.20-heavy',
        'grok-imagine-1.0',
        'grok-imagine-1.0-edit',
        'grok-4.1-mini-nsfw',
        'grok-4.1-thinking-nsfw',
        'grok-4.20-nsfw',
        'grok-4.20-auto-nsfw',
        'grok-4.20-fast-nsfw',
        'grok-4.20-expert-nsfw',
        'grok-4.20-heavy-nsfw',
        'grok-imagine-1.0-nsfw',
        'grok-imagine-1.0-edit-nsfw'
    ]
};

export const MANAGED_MODEL_LIST_PROVIDERS = [
    'openai-custom',
    'openaiResponses-custom',
    'claude-custom'
];

export function getManagedModelListProviderType(providerType) {
    return MANAGED_MODEL_LIST_PROVIDERS.find(baseType =>
        providerType === baseType || providerType.startsWith(baseType + '-')
    ) || null;
}

export function usesManagedModelList(providerType) {
    return getManagedModelListProviderType(providerType) !== null;
}

export function normalizeModelIds(models = []) {
    return [...new Set(
        (Array.isArray(models) ? models : [])
            .filter(model => typeof model === 'string')
            .map(model => model.trim())
            .filter(Boolean)
    )].sort((a, b) => a.localeCompare(b));
}

function extractModelIdsFromListShape(modelList) {
    if (!modelList) {
        return [];
    }

    if (Array.isArray(modelList)) {
        return modelList.map(item => {
            if (typeof item === 'string') return item;
            return item?.id || item?.name || item?.model || null;
        }).filter(Boolean);
    }

    if (Array.isArray(modelList.data)) {
        return modelList.data.map(item => item?.id || item?.name || item?.model || null).filter(Boolean);
    }

    if (Array.isArray(modelList.models)) {
        return modelList.models.map(item => {
            if (typeof item === 'string') return item;
            return item?.id || item?.name || item?.model || null;
        }).filter(Boolean);
    }

    return [];
}

export function extractModelIdsFromNativeList(modelList, providerType) {
    let convertedModelList = modelList;

    // 只有在提供商类型与目标类型协议不同时才尝试转换
    if (providerType !== MODEL_PROVIDER.OPENAI_CUSTOM && !providerType.startsWith(MODEL_PROVIDER.OPENAI_CUSTOM + '-')) {
        try {
            convertedModelList = convertData(modelList, 'modelList', providerType, MODEL_PROVIDER.OPENAI_CUSTOM);
        } catch {
            convertedModelList = modelList;
        }
    }

    const convertedIds = normalizeModelIds(extractModelIdsFromListShape(convertedModelList));
    if (convertedIds.length > 0) {
        return convertedIds;
    }

    return normalizeModelIds(extractModelIdsFromListShape(modelList));
}

export function getConfiguredSupportedModels(providerType, providerConfig = {}) {
    if (!usesManagedModelList(providerType)) {
        return [];
    }

    return normalizeModelIds(providerConfig?.supportedModels);
}

/**
 * 获取指定提供商类型支持的模型列表
 * @param {string} providerType - 提供商类型
 * @returns {Array<string>} 模型列表
 */
export function getProviderModels(providerType) {
    if (PROVIDER_MODELS[providerType]) {
        return PROVIDER_MODELS[providerType];
    }

    // 尝试前缀匹配 (例如 openai-custom-1 -> openai-custom)
    for (const key of Object.keys(PROVIDER_MODELS)) {
        if (providerType.startsWith(key + '-')) {
            return PROVIDER_MODELS[key];
        }
    }

    return [];
}

/**
 * 获取所有提供商的模型列表
 * @returns {Object} 所有提供商的模型映射
 */
export function getAllProviderModels() {
    return PROVIDER_MODELS;
}