/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { describe, it, expect } from 'vitest';
import { resolveModel, resolveClassifierModel, isGemini3Model, isGemini2Model, isCustomModel, supportsModernFeatures, isAutoModel, getDisplayString, DEFAULT_GEMINI_MODEL, PREVIEW_GEMINI_MODEL, DEFAULT_GEMINI_FLASH_MODEL, DEFAULT_GEMINI_3_5_FLASH_MODEL, DEFAULT_GEMINI_FLASH_LITE_MODEL, supportsMultimodalFunctionResponse, GEMINI_MODEL_ALIAS_PRO, GEMINI_MODEL_ALIAS_FLASH, GEMINI_MODEL_ALIAS_FLASH_LITE, GEMINI_MODEL_ALIAS_AUTO, PREVIEW_GEMINI_FLASH_MODEL, PREVIEW_GEMINI_MODEL_AUTO, DEFAULT_GEMINI_MODEL_AUTO, isActiveModel, PREVIEW_GEMINI_3_1_MODEL, PREVIEW_GEMINI_FLASH_LITE_MODEL, PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL, isPreviewModel, isProModel, GEMMA_4_31B_IT_MODEL, GEMMA_4_26B_A4B_IT_MODEL, getAutoModelDescription, } from './models.js';
import { ModelConfigService } from '../services/modelConfigService.js';
import { DEFAULT_MODEL_CONFIGS } from './defaultModelConfigs.js';
const modelConfigService = new ModelConfigService(DEFAULT_MODEL_CONFIGS);
const dynamicConfig = {
    getExperimentalDynamicModelConfiguration: () => true,
    modelConfigService,
};
const legacyConfig = {
    getExperimentalDynamicModelConfiguration: () => false,
    modelConfigService,
};
describe('Dynamic Configuration Parity', () => {
    const modelsToTest = [
        GEMINI_MODEL_ALIAS_AUTO,
        GEMINI_MODEL_ALIAS_PRO,
        GEMINI_MODEL_ALIAS_FLASH,
        PREVIEW_GEMINI_MODEL_AUTO,
        DEFAULT_GEMINI_MODEL_AUTO,
        PREVIEW_GEMINI_MODEL,
        DEFAULT_GEMINI_MODEL,
        'custom-model',
    ];
    const flagCombos = [
        {
            useGemini3_1: false,
            useCustomToolModel: false,
        },
        {
            useGemini3_1: true,
            useCustomToolModel: false,
        },
        {
            useGemini3_1: true,
            useCustomToolModel: true,
        },
    ];
    it('resolveModel should match legacy behavior when dynamicModelConfiguration flag enabled.', () => {
        for (const model of modelsToTest) {
            for (const flags of flagCombos) {
                for (const hasAccess of [true, false]) {
                    const mockLegacyConfig = {
                        // eslint-disable-next-line @typescript-eslint/no-misused-spread
                        ...legacyConfig,
                        getHasAccessToPreviewModel: () => hasAccess,
                    };
                    const mockDynamicConfig = {
                        // eslint-disable-next-line @typescript-eslint/no-misused-spread
                        ...dynamicConfig,
                        getHasAccessToPreviewModel: () => hasAccess,
                    };
                    const legacy = resolveModel(model, flags.useGemini3_1, flags.useCustomToolModel, hasAccess, mockLegacyConfig);
                    const dynamic = resolveModel(model, flags.useGemini3_1, flags.useCustomToolModel, hasAccess, mockDynamicConfig);
                    expect(dynamic).toBe(legacy);
                }
            }
        }
    });
    it('resolveClassifierModel should match legacy behavior.', () => {
        const classifierTiers = [GEMINI_MODEL_ALIAS_PRO, GEMINI_MODEL_ALIAS_FLASH];
        const anchorModels = [
            PREVIEW_GEMINI_MODEL_AUTO,
            DEFAULT_GEMINI_MODEL_AUTO,
            PREVIEW_GEMINI_MODEL,
            DEFAULT_GEMINI_MODEL,
        ];
        for (const hasAccess of [true, false]) {
            const mockLegacyConfig = {
                // eslint-disable-next-line @typescript-eslint/no-misused-spread
                ...legacyConfig,
                getHasAccessToPreviewModel: () => hasAccess,
            };
            const mockDynamicConfig = {
                // eslint-disable-next-line @typescript-eslint/no-misused-spread
                ...dynamicConfig,
                getHasAccessToPreviewModel: () => hasAccess,
            };
            for (const tier of classifierTiers) {
                for (const anchor of anchorModels) {
                    for (const flags of flagCombos) {
                        const legacy = resolveClassifierModel(anchor, tier, flags.useGemini3_1, flags.useCustomToolModel, hasAccess, mockLegacyConfig);
                        const dynamic = resolveClassifierModel(anchor, tier, flags.useGemini3_1, flags.useCustomToolModel, hasAccess, mockDynamicConfig);
                        expect(dynamic).toBe(legacy);
                    }
                }
            }
        }
    });
    it('getDisplayString should match legacy behavior', () => {
        for (const model of modelsToTest) {
            const legacy = getDisplayString(model, legacyConfig);
            const dynamic = getDisplayString(model, dynamicConfig);
            expect(dynamic).toBe(legacy);
        }
    });
    it('isPreviewModel should match legacy behavior', () => {
        const allModels = [
            ...modelsToTest,
            PREVIEW_GEMINI_3_1_MODEL,
            PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL,
            PREVIEW_GEMINI_FLASH_MODEL,
        ];
        for (const model of allModels) {
            const legacy = isPreviewModel(model, legacyConfig);
            const dynamic = isPreviewModel(model, dynamicConfig);
            expect(dynamic).toBe(legacy);
        }
    });
    it('isProModel should match legacy behavior', () => {
        for (const model of modelsToTest) {
            const legacy = isProModel(model, legacyConfig);
            const dynamic = isProModel(model, dynamicConfig);
            expect(dynamic).toBe(legacy);
        }
    });
    it('isGemini3Model should match legacy behavior', () => {
        for (const model of modelsToTest) {
            const legacy = isGemini3Model(model, legacyConfig);
            const dynamic = isGemini3Model(model, dynamicConfig);
            expect(dynamic).toBe(legacy);
        }
    });
    it('isCustomModel should match legacy behavior', () => {
        for (const model of modelsToTest) {
            const legacy = isCustomModel(model, legacyConfig);
            const dynamic = isCustomModel(model, dynamicConfig);
            expect(dynamic).toBe(legacy);
        }
    });
    it('supportsMultimodalFunctionResponse should match legacy behavior', () => {
        for (const model of modelsToTest) {
            const legacy = supportsMultimodalFunctionResponse(model, legacyConfig);
            const dynamic = supportsMultimodalFunctionResponse(model, dynamicConfig);
            expect(dynamic).toBe(legacy);
        }
    });
});
describe('isPreviewModel', () => {
    const PREVIEW_MODELS = [
        PREVIEW_GEMINI_MODEL,
        PREVIEW_GEMINI_3_1_MODEL,
        PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL,
        PREVIEW_GEMINI_FLASH_MODEL,
        PREVIEW_GEMINI_FLASH_LITE_MODEL,
    ];
    it('should return true for active preview models', () => {
        for (const model of PREVIEW_MODELS) {
            if (model !== 'none') {
                expect(isPreviewModel(model)).toBe(true);
            }
        }
        expect(isPreviewModel(PREVIEW_GEMINI_MODEL_AUTO)).toBe(true);
        expect(isPreviewModel(GEMINI_MODEL_ALIAS_AUTO)).toBe(true);
    });
    it('should return false if a preview model is retired (set to none)', () => {
        const retiredModels = PREVIEW_MODELS.filter((m) => m === 'none');
        for (const model of retiredModels) {
            expect(isPreviewModel(model)).toBe(false);
        }
    });
    it('should return false for non-preview models', () => {
        expect(isPreviewModel(DEFAULT_GEMINI_MODEL)).toBe(false);
        expect(isPreviewModel('gemini-1.5-pro')).toBe(false);
    });
});
describe('isProModel', () => {
    it('should return true for models containing "pro"', () => {
        expect(isProModel('gemini-3-pro-preview')).toBe(true);
        expect(isProModel('gemini-2.5-pro')).toBe(true);
        expect(isProModel('pro')).toBe(true);
    });
    it('should return false for models without "pro"', () => {
        expect(isProModel('gemini-3-flash-preview')).toBe(false);
        expect(isProModel('gemini-2.5-flash')).toBe(false);
        expect(isProModel('auto')).toBe(false);
    });
});
describe('isCustomModel', () => {
    it('should return true for models not starting with gemini-', () => {
        expect(isCustomModel('testing')).toBe(true);
        expect(isCustomModel('gpt-4')).toBe(true);
        expect(isCustomModel('claude-3')).toBe(true);
    });
    it('should return false for Gemini models', () => {
        expect(isCustomModel('gemini-1.5-pro')).toBe(false);
        expect(isCustomModel('gemini-2.0-flash')).toBe(false);
        expect(isCustomModel('gemini-3-pro-preview')).toBe(false);
    });
    it('should return false for aliases that resolve to Gemini models', () => {
        expect(isCustomModel(GEMINI_MODEL_ALIAS_AUTO)).toBe(false);
        expect(isCustomModel(GEMINI_MODEL_ALIAS_PRO)).toBe(false);
    });
    it('should not throw if the model is an array (e.g. from yargs)', () => {
        // @ts-expect-error - testing invalid runtime input
        expect(() => isCustomModel(['gemini-2.0-flash', 'gpt-4'])).not.toThrow();
        // @ts-expect-error - testing invalid runtime input
        expect(isCustomModel(['gemini-2.0-flash', 'gpt-4'])).toBe(true); // last one is custom
    });
});
describe('supportsModernFeatures', () => {
    it('should return true for Gemini 3 models', () => {
        expect(supportsModernFeatures('gemini-3-pro-preview')).toBe(true);
        expect(supportsModernFeatures('gemini-3-flash-preview')).toBe(true);
    });
    it('should return true for custom models', () => {
        expect(supportsModernFeatures('testing')).toBe(true);
        expect(supportsModernFeatures('some-custom-model')).toBe(true);
    });
    it('should return false for older Gemini models', () => {
        expect(supportsModernFeatures('gemini-2.5-pro')).toBe(false);
        expect(supportsModernFeatures('gemini-2.5-flash')).toBe(false);
        expect(supportsModernFeatures('gemini-2.0-flash')).toBe(false);
        expect(supportsModernFeatures('gemini-1.5-pro')).toBe(false);
        expect(supportsModernFeatures('gemini-1.0-pro')).toBe(false);
    });
    it('should return true for modern aliases', () => {
        expect(supportsModernFeatures(GEMINI_MODEL_ALIAS_PRO)).toBe(true);
        expect(supportsModernFeatures(GEMINI_MODEL_ALIAS_AUTO)).toBe(true);
    });
});
describe('isGemini3Model', () => {
    it('should return true for gemini-3 models', () => {
        expect(isGemini3Model('gemini-3-pro-preview')).toBe(true);
        expect(isGemini3Model('gemini-3-flash-preview')).toBe(true);
    });
    it('should return true for aliases that resolve to Gemini 3', () => {
        expect(isGemini3Model(GEMINI_MODEL_ALIAS_AUTO)).toBe(true);
        expect(isGemini3Model(GEMINI_MODEL_ALIAS_PRO)).toBe(true);
        expect(isGemini3Model(PREVIEW_GEMINI_MODEL_AUTO)).toBe(true);
    });
    it('should return false for Gemini 2 models', () => {
        expect(isGemini3Model('gemini-2.5-pro')).toBe(false);
        expect(isGemini3Model('gemini-2.5-flash')).toBe(false);
        expect(isGemini3Model(DEFAULT_GEMINI_MODEL_AUTO)).toBe(false);
    });
    it('should return false for arbitrary strings', () => {
        expect(isGemini3Model('gpt-4')).toBe(false);
    });
});
describe('getDisplayString', () => {
    it('should return Auto (Gemini 3) for preview auto model', () => {
        expect(getDisplayString(PREVIEW_GEMINI_MODEL_AUTO)).toBe('Auto (Gemini 3)');
    });
    it('should return Auto (Gemini 2.5) for default auto model', () => {
        expect(getDisplayString(DEFAULT_GEMINI_MODEL_AUTO)).toBe('Auto (Gemini 2.5)');
    });
    it('should return concrete model name for pro alias', () => {
        expect(getDisplayString(GEMINI_MODEL_ALIAS_PRO)).toBe(PREVIEW_GEMINI_MODEL);
    });
    it('should return concrete model name for flash alias', () => {
        expect(getDisplayString(GEMINI_MODEL_ALIAS_FLASH)).toBe(PREVIEW_GEMINI_FLASH_MODEL);
    });
    it('should return PREVIEW_GEMINI_3_1_MODEL for PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL', () => {
        expect(getDisplayString(PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL)).toBe(PREVIEW_GEMINI_3_1_MODEL);
    });
    it('should return PREVIEW_GEMINI_FLASH_LITE_MODEL for PREVIEW_GEMINI_FLASH_LITE_MODEL', () => {
        expect(getDisplayString(PREVIEW_GEMINI_FLASH_LITE_MODEL)).toBe(PREVIEW_GEMINI_FLASH_LITE_MODEL);
    });
    it('should return the model name as is for other models', () => {
        expect(getDisplayString('custom-model')).toBe('custom-model');
        expect(getDisplayString(GEMMA_4_31B_IT_MODEL)).toBe(GEMMA_4_31B_IT_MODEL);
        expect(getDisplayString(GEMMA_4_26B_A4B_IT_MODEL)).toBe(GEMMA_4_26B_A4B_IT_MODEL);
        expect(getDisplayString(DEFAULT_GEMINI_FLASH_LITE_MODEL)).toBe(DEFAULT_GEMINI_FLASH_LITE_MODEL);
    });
});
describe('supportsMultimodalFunctionResponse', () => {
    it('should return true for gemini-3 model', () => {
        expect(supportsMultimodalFunctionResponse('gemini-3-pro')).toBe(true);
    });
    it('should return false for gemini-2 models', () => {
        expect(supportsMultimodalFunctionResponse('gemini-2.5-pro')).toBe(false);
        expect(supportsMultimodalFunctionResponse('gemini-2.5-flash')).toBe(false);
    });
    it('should return false for other models', () => {
        expect(supportsMultimodalFunctionResponse('some-other-model')).toBe(false);
        expect(supportsMultimodalFunctionResponse('')).toBe(false);
    });
});
describe('resolveModel', () => {
    describe('delegation logic', () => {
        it('should return the Preview Pro model when auto-gemini-3 is requested', () => {
            const model = resolveModel(PREVIEW_GEMINI_MODEL_AUTO);
            expect(model).toBe(PREVIEW_GEMINI_MODEL);
        });
        it('should return Gemini 3.1 Pro when auto-gemini-3 is requested and useGemini3_1 is true', () => {
            const model = resolveModel(PREVIEW_GEMINI_MODEL_AUTO, true);
            expect(model).toBe(PREVIEW_GEMINI_3_1_MODEL);
        });
        it('should return Gemini 3.1 Pro Custom Tools when auto-gemini-3 is requested, useGemini3_1 is true, and useCustomToolModel is true', () => {
            const model = resolveModel(PREVIEW_GEMINI_MODEL_AUTO, true, true);
            expect(model).toBe(PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL);
        });
        it('should return the Default Pro model when auto-gemini-2.5 is requested', () => {
            const model = resolveModel(DEFAULT_GEMINI_MODEL_AUTO);
            expect(model).toBe(DEFAULT_GEMINI_MODEL);
        });
        it('should return the Default Flash-Lite model when flash-lite is requested', () => {
            const model = resolveModel(GEMINI_MODEL_ALIAS_FLASH_LITE);
            expect(model).toBe(DEFAULT_GEMINI_FLASH_LITE_MODEL);
        });
        it('should return the Flash-Lite model when flash-lite is requested', () => {
            const model = resolveModel(GEMINI_MODEL_ALIAS_FLASH_LITE, false);
            expect(model).toBe(DEFAULT_GEMINI_FLASH_LITE_MODEL);
        });
        it('should return the requested model as-is for explicit specific models', () => {
            expect(resolveModel(DEFAULT_GEMINI_MODEL)).toBe(DEFAULT_GEMINI_MODEL);
            expect(resolveModel(DEFAULT_GEMINI_FLASH_MODEL)).toBe(DEFAULT_GEMINI_FLASH_MODEL);
            expect(resolveModel(DEFAULT_GEMINI_FLASH_LITE_MODEL)).toBe(DEFAULT_GEMINI_FLASH_LITE_MODEL);
        });
        it('should return a custom model name when requested', () => {
            const customModel = 'custom-model-v1';
            const model = resolveModel(customModel);
            expect(model).toBe(customModel);
        });
        it('should handle non-string inputs gracefully', () => {
            // @ts-expect-error - testing invalid runtime input
            expect(resolveModel(['a', 'b'])).toBe('b');
            // @ts-expect-error - testing invalid runtime input
            expect(resolveModel(true)).toBe('true');
            // @ts-expect-error - testing invalid runtime input
            expect(resolveModel(null)).toBe('');
        });
    });
    describe('hasAccessToPreview logic', () => {
        it('should return default model when access to preview is false and preview model is requested', () => {
            expect(resolveModel(PREVIEW_GEMINI_MODEL, false, false, false)).toBe(DEFAULT_GEMINI_MODEL);
        });
        it('should return default flash model when access to preview is false and preview flash model is requested', () => {
            expect(resolveModel(PREVIEW_GEMINI_FLASH_MODEL, false, false, false)).toBe(DEFAULT_GEMINI_FLASH_MODEL);
        });
        it('should return default flash lite model when access to preview is false and preview flash lite model is requested', () => {
            expect(resolveModel(PREVIEW_GEMINI_FLASH_LITE_MODEL, false, false, false)).toBe(DEFAULT_GEMINI_FLASH_LITE_MODEL);
        });
        it('should return default model when access to preview is false and auto-gemini-3 is requested', () => {
            expect(resolveModel(PREVIEW_GEMINI_MODEL_AUTO, false, false, false)).toBe(DEFAULT_GEMINI_MODEL);
        });
        it('should return default model when access to preview is false and Gemini 3.1 is requested', () => {
            expect(resolveModel(PREVIEW_GEMINI_MODEL_AUTO, true, false, false)).toBe(DEFAULT_GEMINI_MODEL);
        });
        it('should still return default model when access to preview is false and auto-gemini-2.5 is requested', () => {
            expect(resolveModel(DEFAULT_GEMINI_MODEL_AUTO, false, false, false)).toBe(DEFAULT_GEMINI_MODEL);
        });
    });
});
describe('isGemini2Model', () => {
    it('should return true for gemini-2.5-pro', () => {
        expect(isGemini2Model('gemini-2.5-pro')).toBe(true);
    });
    it('should return true for gemini-2.5-flash', () => {
        expect(isGemini2Model('gemini-2.5-flash')).toBe(true);
    });
    it('should return true for gemini-2.0-flash', () => {
        expect(isGemini2Model('gemini-2.0-flash')).toBe(true);
    });
    it('should return false for gemini-1.5-pro', () => {
        expect(isGemini2Model('gemini-1.5-pro')).toBe(false);
    });
    it('should return false for gemini-3-pro', () => {
        expect(isGemini2Model('gemini-3-pro')).toBe(false);
    });
    it('should return false for arbitrary strings', () => {
        expect(isGemini2Model('gpt-4')).toBe(false);
    });
});
describe('isAutoModel', () => {
    it('should return true for "auto"', () => {
        expect(isAutoModel(GEMINI_MODEL_ALIAS_AUTO)).toBe(true);
    });
    it('should return true for "auto-gemini-3"', () => {
        expect(isAutoModel(PREVIEW_GEMINI_MODEL_AUTO)).toBe(true);
    });
    it('should return true for "auto-gemini-2.5"', () => {
        expect(isAutoModel(DEFAULT_GEMINI_MODEL_AUTO)).toBe(true);
    });
    it('should return false for concrete models', () => {
        expect(isAutoModel(DEFAULT_GEMINI_MODEL)).toBe(false);
        expect(isAutoModel(PREVIEW_GEMINI_MODEL)).toBe(false);
        expect(isAutoModel('some-random-model')).toBe(false);
    });
});
describe('resolveClassifierModel', () => {
    it('should return flash model when alias is flash', () => {
        expect(resolveClassifierModel(DEFAULT_GEMINI_MODEL_AUTO, GEMINI_MODEL_ALIAS_FLASH)).toBe(DEFAULT_GEMINI_FLASH_MODEL);
        expect(resolveClassifierModel(PREVIEW_GEMINI_MODEL_AUTO, GEMINI_MODEL_ALIAS_FLASH)).toBe(PREVIEW_GEMINI_FLASH_MODEL);
    });
    it('should return pro model when alias is pro', () => {
        expect(resolveClassifierModel(DEFAULT_GEMINI_MODEL_AUTO, GEMINI_MODEL_ALIAS_PRO)).toBe(DEFAULT_GEMINI_MODEL);
        expect(resolveClassifierModel(PREVIEW_GEMINI_MODEL_AUTO, GEMINI_MODEL_ALIAS_PRO)).toBe(PREVIEW_GEMINI_MODEL);
    });
    it('should return Gemini 3.1 Pro when alias is pro and useGemini3_1 is true', () => {
        expect(resolveClassifierModel(PREVIEW_GEMINI_MODEL_AUTO, GEMINI_MODEL_ALIAS_PRO, true)).toBe(PREVIEW_GEMINI_3_1_MODEL);
    });
    it('should return Gemini 3.1 Pro Custom Tools when alias is pro, useGemini3_1 is true, and useCustomToolModel is true', () => {
        expect(resolveClassifierModel(PREVIEW_GEMINI_MODEL_AUTO, GEMINI_MODEL_ALIAS_PRO, true, true)).toBe(PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL);
    });
});
describe('isActiveModel', () => {
    it('should return true for valid models when useGemini3_1 is false', () => {
        expect(isActiveModel(DEFAULT_GEMINI_MODEL)).toBe(true);
        expect(isActiveModel(PREVIEW_GEMINI_MODEL)).toBe(true);
        expect(isActiveModel(DEFAULT_GEMINI_FLASH_MODEL)).toBe(true);
    });
    it('should return true for Gemma 4 models when experimentalGemma is not provided (defaults to true)', () => {
        expect(isActiveModel(GEMMA_4_31B_IT_MODEL)).toBe(true);
        expect(isActiveModel(GEMMA_4_26B_A4B_IT_MODEL)).toBe(true);
        expect(isActiveModel(GEMMA_4_31B_IT_MODEL, false, false, true)).toBe(true);
        expect(isActiveModel(GEMMA_4_26B_A4B_IT_MODEL, false, false, true)).toBe(true);
    });
    it('should return false for Gemini 3.1 models when Gemini 3.1 is not launched', () => {
        expect(isActiveModel(PREVIEW_GEMINI_3_1_MODEL)).toBe(false);
    });
    it('should return true for unknown models and aliases', () => {
        expect(isActiveModel('invalid-model')).toBe(false);
        expect(isActiveModel(GEMINI_MODEL_ALIAS_AUTO)).toBe(false);
    });
    it('should return false for PREVIEW_GEMINI_MODEL when useGemini3_1 is true', () => {
        expect(isActiveModel(PREVIEW_GEMINI_MODEL, true)).toBe(false);
    });
    it('should return true for other valid models when useGemini3_1 is true', () => {
        expect(isActiveModel(DEFAULT_GEMINI_MODEL, true)).toBe(true);
    });
    it('should handle PREVIEW_GEMINI_FLASH_LITE_MODEL activity correctly based on retirement status', () => {
        if (PREVIEW_GEMINI_FLASH_LITE_MODEL === 'none') {
            expect(isActiveModel(PREVIEW_GEMINI_FLASH_LITE_MODEL, false, true)).toBe(false);
            expect(isActiveModel(PREVIEW_GEMINI_FLASH_LITE_MODEL, true, true)).toBe(false);
        }
        else {
            expect(isActiveModel(PREVIEW_GEMINI_FLASH_LITE_MODEL, false, true)).toBe(true);
            expect(isActiveModel(PREVIEW_GEMINI_FLASH_LITE_MODEL, true, true)).toBe(true);
        }
        expect(isActiveModel(DEFAULT_GEMINI_FLASH_LITE_MODEL, false, false)).toBe(true);
        expect(isActiveModel(DEFAULT_GEMINI_FLASH_LITE_MODEL, true, true)).toBe(true);
        expect(isActiveModel(DEFAULT_GEMINI_FLASH_LITE_MODEL, true, false)).toBe(true);
    });
    it('should correctly filter Gemini 3.1 models based on useCustomToolModel when useGemini3_1 is true', () => {
        // When custom tools are preferred, standard 3.1 should be inactive
        expect(isActiveModel(PREVIEW_GEMINI_3_1_MODEL, true, true)).toBe(false);
        expect(isActiveModel(PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL, true, true)).toBe(true);
        // When custom tools are NOT preferred, custom tools 3.1 should be inactive
        expect(isActiveModel(PREVIEW_GEMINI_3_1_MODEL, true, false)).toBe(true);
        expect(isActiveModel(PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL, true, false)).toBe(false);
    });
    it('should return false for Gemini 3.1 preview models when useGemini3_1 is false', () => {
        expect(isActiveModel(PREVIEW_GEMINI_3_1_MODEL, false, false, true)).toBe(false);
        expect(isActiveModel(PREVIEW_GEMINI_3_1_MODEL, false, false, false)).toBe(false);
        expect(isActiveModel(PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL, false, false, true)).toBe(false);
        expect(isActiveModel(PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL, false, false, false)).toBe(false);
        if (PREVIEW_GEMINI_FLASH_LITE_MODEL !== 'none') {
            expect(isActiveModel(PREVIEW_GEMINI_FLASH_LITE_MODEL, false, false)).toBe(false);
        }
        expect(isActiveModel(DEFAULT_GEMINI_FLASH_LITE_MODEL, false, false)).toBe(true);
    });
});
describe('Gemini 3.1 Config Resolution', () => {
    it('PREVIEW_GEMINI_3_1_MODEL should resolve to chat-base-3 config (including thinkingLevel)', () => {
        const resolved = modelConfigService.getResolvedConfig({
            model: PREVIEW_GEMINI_3_1_MODEL,
            isChatModel: true,
        });
        expect(resolved.generateContentConfig?.thinkingConfig?.thinkingLevel).toBeDefined();
    });
    it('PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL should resolve to chat-base-3 config (including thinkingLevel)', () => {
        const resolved = modelConfigService.getResolvedConfig({
            model: PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL,
            isChatModel: true,
        });
        expect(resolved.generateContentConfig?.thinkingConfig?.thinkingLevel).toBeDefined();
    });
    it('PREVIEW_GEMINI_FLASH_LITE_MODEL should resolve to appropriate config based on retirement status', () => {
        if (PREVIEW_GEMINI_FLASH_LITE_MODEL === 'none') {
            // If none, it falls back to chat-base which may not have thinkingLevel
            const resolved = modelConfigService.getResolvedConfig({
                model: PREVIEW_GEMINI_FLASH_LITE_MODEL,
                isChatModel: true,
            });
            expect(resolved.model).toBe(PREVIEW_GEMINI_FLASH_LITE_MODEL);
        }
        else {
            const resolved = modelConfigService.getResolvedConfig({
                model: PREVIEW_GEMINI_FLASH_LITE_MODEL,
                isChatModel: true,
            });
            expect(resolved.generateContentConfig?.thinkingConfig?.thinkingLevel).toBeDefined();
        }
    });
});
describe('getAutoModelDescription', () => {
    it('should return Gemini 2.5 description when hasAccessToPreview is false', () => {
        const desc = getAutoModelDescription(false, false);
        expect(desc).toContain('gemini-2.5-pro');
        expect(desc).toContain('gemini-2.5-flash');
    });
    it('should return Gemini 3.0 description when hasAccessToPreview is true', () => {
        const desc = getAutoModelDescription(true, false);
        expect(desc).toContain('gemini-3-pro-preview');
        expect(desc).toContain('gemini-3-flash-preview');
    });
    it('should return Gemini 3.1 description when hasAccessToPreview and useGemini3_1 are true', () => {
        const desc = getAutoModelDescription(true, true);
        expect(desc).toContain('gemini-3.1-pro-preview');
        expect(desc).toContain('gemini-3-flash-preview');
    });
    it('should return Gemini 3.5 Flash description when hasAccessToPreview and useGemini3_5Flash are true', () => {
        const desc = getAutoModelDescription(true, true, true);
        expect(desc).toContain('gemini-3.1-pro-preview');
        expect(desc).toContain(DEFAULT_GEMINI_3_5_FLASH_MODEL);
    });
});
describe('resolveModel Gemini 3.5 Flash GA', () => {
    it('should resolve all but preview flash models to DEFAULT_GEMINI_FLASH_MODEL when useGemini3_5Flash is true (legacy)', () => {
        expect(resolveModel(GEMINI_MODEL_ALIAS_FLASH, false, false, true, undefined, true)).toBe(DEFAULT_GEMINI_FLASH_MODEL);
        expect(resolveModel(DEFAULT_GEMINI_FLASH_MODEL, false, false, true, undefined, true)).toBe(DEFAULT_GEMINI_FLASH_MODEL);
        expect(resolveModel(PREVIEW_GEMINI_FLASH_MODEL, false, false, true, undefined, true)).toBe(PREVIEW_GEMINI_FLASH_MODEL);
    });
    it('should resolve all but preview flash models to gemini-3.5-flash when useGemini3_5Flash is true (dynamic)', () => {
        const mockDynamicConfig = {
            getExperimentalDynamicModelConfiguration: () => true,
            modelConfigService,
        };
        expect(resolveModel(GEMINI_MODEL_ALIAS_FLASH, false, false, true, mockDynamicConfig, true)).toBe('gemini-3.5-flash');
        expect(resolveModel(DEFAULT_GEMINI_FLASH_MODEL, false, false, true, mockDynamicConfig, true)).toBe('gemini-3.5-flash');
        expect(resolveModel(PREVIEW_GEMINI_FLASH_MODEL, false, false, true, mockDynamicConfig, true)).toBe(PREVIEW_GEMINI_FLASH_MODEL);
    });
    it('should NOT resolve flash models to DEFAULT_GEMINI_FLASH_MODEL when useGemini3_5Flash is false', () => {
        expect(resolveModel(GEMINI_MODEL_ALIAS_FLASH, false, false, true, undefined, false)).toBe(PREVIEW_GEMINI_FLASH_MODEL);
        expect(resolveModel(DEFAULT_GEMINI_FLASH_MODEL, false, false, true, undefined, false)).toBe(DEFAULT_GEMINI_FLASH_MODEL);
        expect(resolveModel(PREVIEW_GEMINI_FLASH_MODEL, false, false, true, undefined, false)).toBe(PREVIEW_GEMINI_FLASH_MODEL);
    });
    it('should resolve to DEFAULT_GEMINI_FLASH_MODEL when GA is false AND preview access is false (dynamic)', () => {
        const mockDynamicConfig = {
            getExperimentalDynamicModelConfiguration: () => true,
            modelConfigService,
        };
        expect(resolveModel(DEFAULT_GEMINI_FLASH_MODEL, false, false, false, // No preview access
        mockDynamicConfig, false)).toBe('gemini-2.5-flash');
    });
    it('should resolve auto to DEFAULT_GEMINI_FLASH_MODEL when useGemini3_5Flash is true and classifier selects flash', () => {
        expect(resolveClassifierModel(GEMINI_MODEL_ALIAS_AUTO, GEMINI_MODEL_ALIAS_FLASH, false, false, true, undefined, true)).toBe(DEFAULT_GEMINI_FLASH_MODEL);
    });
    it('should resolve auto to gemini-3.5-flash when useGemini3_5Flash is true and classifier selects flash (dynamic)', () => {
        const mockDynamicConfig = {
            getExperimentalDynamicModelConfiguration: () => true,
            modelConfigService,
        };
        expect(resolveClassifierModel(GEMINI_MODEL_ALIAS_AUTO, GEMINI_MODEL_ALIAS_FLASH, false, false, true, mockDynamicConfig, true)).toBe('gemini-3.5-flash');
    });
    describe('Flash model promotion and manual override routing logic', () => {
        it('should resolve flash alias to DEFAULT_GEMINI_FLASH_MODEL when useGemini3_5Flash is true (static)', () => {
            expect(resolveModel(GEMINI_MODEL_ALIAS_FLASH, false, false, true, undefined, true)).toBe(DEFAULT_GEMINI_FLASH_MODEL);
        });
        it('should resolve flash alias to gemini-3.5-flash when useGemini3_5Flash is true (dynamic)', () => {
            const mockDynamicConfig = {
                getExperimentalDynamicModelConfiguration: () => true,
                modelConfigService,
            };
            expect(resolveModel(GEMINI_MODEL_ALIAS_FLASH, false, false, true, mockDynamicConfig, true)).toBe('gemini-3.5-flash');
        });
        it('should resolve manual selection of gemini-3-flash-preview to gemini-3-flash-preview when useGemini3_5Flash is true and has preview access (static)', () => {
            expect(resolveModel(PREVIEW_GEMINI_FLASH_MODEL, false, false, true, undefined, true)).toBe('gemini-3-flash-preview');
        });
        it('should resolve manual selection of gemini-3-flash-preview to gemini-3-flash-preview when useGemini3_5Flash is true and has preview access (dynamic)', () => {
            const mockDynamicConfig = {
                getExperimentalDynamicModelConfiguration: () => true,
                modelConfigService,
            };
            expect(resolveModel(PREVIEW_GEMINI_FLASH_MODEL, false, false, true, mockDynamicConfig, true)).toBe('gemini-3-flash-preview');
        });
        it('should resolve manual selection of gemini-3-flash-preview to DEFAULT_GEMINI_FLASH_MODEL when useGemini3_5Flash is true but lacks preview access (static)', () => {
            expect(resolveModel(PREVIEW_GEMINI_FLASH_MODEL, false, false, false, undefined, true)).toBe(DEFAULT_GEMINI_FLASH_MODEL);
        });
        it('should resolve manual selection of gemini-3-flash-preview to gemini-3.5-flash when useGemini3_5Flash is true but lacks preview access (dynamic)', () => {
            const mockDynamicConfig = {
                getExperimentalDynamicModelConfiguration: () => true,
                modelConfigService,
            };
            expect(resolveModel(PREVIEW_GEMINI_FLASH_MODEL, false, false, false, mockDynamicConfig, true)).toBe('gemini-3.5-flash');
        });
        it('should resolve classifier-selected flash alias to DEFAULT_GEMINI_FLASH_MODEL when useGemini3_5Flash is true (static)', () => {
            expect(resolveClassifierModel(GEMINI_MODEL_ALIAS_AUTO, GEMINI_MODEL_ALIAS_FLASH, false, false, true, undefined, true)).toBe(DEFAULT_GEMINI_FLASH_MODEL);
        });
        it('should resolve classifier-selected flash alias to gemini-3.5-flash when useGemini3_5Flash is true (dynamic)', () => {
            const mockDynamicConfig = {
                getExperimentalDynamicModelConfiguration: () => true,
                modelConfigService,
            };
            expect(resolveClassifierModel(GEMINI_MODEL_ALIAS_AUTO, GEMINI_MODEL_ALIAS_FLASH, false, false, true, mockDynamicConfig, true)).toBe('gemini-3.5-flash');
        });
        it('should resolve auto to PREVIEW_GEMINI_MODEL when useGemini3_5Flash is true and has preview access', () => {
            expect(resolveModel(GEMINI_MODEL_ALIAS_AUTO, false, false, true, // hasAccessToPreview
            undefined, true)).toBe(PREVIEW_GEMINI_MODEL);
        });
    });
});
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