-- Users table
CREATE TABLE users (
    id TEXT PRIMARY KEY,
    email TEXT UNIQUE NOT NULL,
    password_hash TEXT NOT NULL,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    deleted_at DATETIME
);

-- Posts table
CREATE TABLE posts (
    id TEXT PRIMARY KEY,
    title TEXT NOT NULL,
    content TEXT NOT NULL,
    author_id TEXT NOT NULL REFERENCES users(id),
    published BOOLEAN DEFAULT FALSE,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    deleted_at DATETIME
);

-- Indexes for performance
CREATE INDEX idx_posts_deleted_at ON posts(deleted_at);
CREATE INDEX idx_posts_published ON posts(published) WHERE deleted_at IS NULL;
CREATE INDEX idx_posts_author ON posts(author_id) WHERE deleted_at IS NULL;
CREATE INDEX idx_users_email ON users(email) WHERE deleted_at IS NULL;