/**
 * Project Mind MCP - Database Access Layer
 *
 * Handles all SQLite operations with proper error handling.
 * Foundation for persistent state across sessions.
 */
import type { Project, ProjectConfig, SessionState, CurrentTask, SessionContext, Job, JobStatus, Epic, GitCommit, Research } from '../types/index.js';
export declare class ProjectDatabase {
    private db;
    constructor(dbPath: string);
    private initialize;
    private runMigrations;
    createProject(id: string, name: string, path: string, config?: Partial<ProjectConfig>): Project;
    getProject(id: string): Project | null;
    getProjectByPath(path: string): Project | null;
    listProjects(): Project[];
    updateProject(id: string, updates: Partial<Pick<Project, 'name' | 'path' | 'config'>>): boolean;
    deleteProject(id: string): boolean;
    private mapProjectRow;
    saveSessionState(projectId: string, currentTask: CurrentTask, context: SessionContext): SessionState;
    getLatestSession(projectId: string): SessionState | null;
    getSession(sessionId: string): SessionState | null;
    deleteSession(sessionId: string): boolean;
    private mapSessionRow;
    createJob(projectId: string, operation: string, parameters?: Record<string, unknown>): Job;
    updateJobProgress(jobId: number, progress: number, currentStep?: string): boolean;
    completeJob(jobId: number, result: unknown): boolean;
    failJob(jobId: number, error: string): boolean;
    getJob(jobId: number): Job | null;
    listJobs(projectId?: string, status?: JobStatus): Job[];
    private mapJobRow;
    indexFile(projectId: string, path: string, fileType: string | null, size: number, contentHash: string, contentPreview: string, embedding: Buffer | null, metadata?: Record<string, unknown>): number;
    getFileIndex(projectId: string, path: string): FileIndexRow | null;
    getAllFileIndices(projectId: string): FileIndexRow[];
    getFilesWithEmbeddings(projectId: string): Array<{
        id: number;
        path: string;
        embedding: Buffer;
        contentPreview: string;
    }>;
    deleteFileIndex(projectId: string, path: string): boolean;
    clearFileIndex(projectId: string): number;
    createPattern(projectId: string, name: string, problem: string, solution: string, implementation: string | null, metrics: Record<string, unknown> | null, problemEmbedding: Buffer | null): number;
    getPattern(patternId: number): PatternRow | null;
    getAllPatterns(): PatternRow[];
    getPatternsWithEmbeddings(): Array<{
        id: number;
        name: string;
        projectId: string;
        problem: string;
        solution: string;
        embedding: Buffer;
    }>;
    getPatternsByProject(projectId: string): PatternRow[];
    createPatternRelationship(fromPatternId: number, toPatternId: number, relationshipType: string, confidence?: number): boolean;
    getRelatedPatterns(patternId: number): Array<{
        patternId: number;
        relationshipType: string;
        confidence: number;
    }>;
    logActivity(action: string, details?: Record<string, unknown>, projectId?: string, sessionId?: string): void;
    createEpic(projectId: string, title: string, options?: {
        description?: string;
        priority?: string;
        estimatedHours?: number;
        tags?: string[];
        dependencies?: number[];
        acceptanceCriteria?: string[];
        specLocation?: string;
    }): Epic;
    getEpic(id: number): Epic | null;
    listEpics(projectId: string, options?: {
        status?: string;
        priority?: string;
        limit?: number;
    }): Epic[];
    updateEpic(id: number, updates: Partial<{
        title: string;
        description: string;
        status: string;
        priority: string;
        estimatedHours: number;
        actualHours: number;
        tags: string[];
        dependencies: number[];
        acceptanceCriteria: string[];
        specLocation: string;
    }>): Epic | null;
    getProjectStatus(projectId: string): {
        total: number;
        byStatus: Record<string, number>;
        byPriority: Record<string, number>;
        estimatedHours: number;
        actualHours: number;
    };
    private mapEpicRow;
    recordCommit(projectId: string, commitHash: string, message: string, options?: {
        sessionId?: string;
        filesChanged?: string[];
        stats?: {
            additions: number;
            deletions: number;
            files: number;
        };
    }): GitCommit;
    getRecentCommits(projectId: string, limit?: number): GitCommit[];
    saveResearch(projectId: string, query: string, sections: unknown[], options?: {
        sources?: unknown[];
        keyFindings?: string[];
        crossReferences?: unknown[];
    }): Research;
    searchResearch(projectId: string, searchQuery?: string, limit?: number): Research[];
    getResearch(id: string): Research | null;
    close(): void;
}
interface FileIndexRow {
    id: number;
    project_id: string;
    path: string;
    file_type: string | null;
    size: number;
    content_hash: string;
    content_preview: string | null;
    embedding: Buffer | null;
    metadata: string | null;
    indexed_at: string;
}
interface PatternRow {
    id: number;
    project_id: string;
    name: string;
    problem: string;
    solution: string;
    implementation: string | null;
    metrics: string | null;
    problem_embedding: Buffer | null;
    created_at: string;
}
export {};
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