CREATE TABLE projects (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    forge TEXT NOT NULL,
    owner TEXT NOT NULL,
    repo TEXT NOT NULL,
    UNIQUE(forge, owner, repo)
);

CREATE TABLE project_memory_entries (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    project_id INTEGER NOT NULL,
    key TEXT NOT NULL,
    value_json TEXT NOT NULL,
    source TEXT NOT NULL,
    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY(project_id) REFERENCES projects(id) ON DELETE CASCADE,
    UNIQUE(project_id, key)
);

CREATE TABLE project_memory_summaries (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    project_id INTEGER NOT NULL,
    summary_type TEXT NOT NULL,
    content TEXT NOT NULL,
    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY(project_id) REFERENCES projects(id) ON DELETE CASCADE,
    UNIQUE(project_id, summary_type)
);

CREATE TABLE review_threads (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    project_id INTEGER NOT NULL,
    pull_request_id BIGINT NOT NULL,
    file TEXT NOT NULL,
    line INTEGER NOT NULL,
    initial_comment TEXT NOT NULL,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY(project_id) REFERENCES projects(id) ON DELETE CASCADE
);

CREATE TABLE review_thread_messages (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    thread_id INTEGER NOT NULL,
    author TEXT NOT NULL,
    body TEXT NOT NULL,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY(thread_id) REFERENCES review_threads(id) ON DELETE CASCADE
);

CREATE TABLE prompt_audit_sessions (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    project_id INTEGER NOT NULL,
    pull_request_id BIGINT NOT NULL,
    entrypoint TEXT NOT NULL,
    started_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    ended_at TIMESTAMP,
    status TEXT NOT NULL,
    error_message TEXT,
    FOREIGN KEY(project_id) REFERENCES projects(id) ON DELETE CASCADE
);

CREATE TABLE prompt_hook_on_completion_call_events (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    session_id INTEGER NOT NULL,
    event_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    sequence_no INTEGER NOT NULL,
    prompt_json TEXT NOT NULL,
    history_json TEXT NOT NULL,
    FOREIGN KEY(session_id) REFERENCES prompt_audit_sessions(id) ON DELETE CASCADE
);

CREATE TABLE prompt_hook_on_completion_response_events (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    session_id INTEGER NOT NULL,
    event_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    sequence_no INTEGER NOT NULL,
    prompt_json TEXT NOT NULL,
    assistant_choice_json TEXT NOT NULL,
    usage_input_tokens BIGINT NOT NULL,
    usage_output_tokens BIGINT NOT NULL,
    usage_total_tokens BIGINT NOT NULL,
    FOREIGN KEY(session_id) REFERENCES prompt_audit_sessions(id) ON DELETE CASCADE
);

CREATE TABLE prompt_hook_on_tool_call_events (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    session_id INTEGER NOT NULL,
    event_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    sequence_no INTEGER NOT NULL,
    tool_name TEXT NOT NULL,
    tool_call_id TEXT,
    internal_call_id TEXT NOT NULL,
    args_json TEXT NOT NULL,
    action TEXT NOT NULL,
    reason TEXT,
    FOREIGN KEY(session_id) REFERENCES prompt_audit_sessions(id) ON DELETE CASCADE
);

CREATE TABLE prompt_hook_on_tool_result_events (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    session_id INTEGER NOT NULL,
    event_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    sequence_no INTEGER NOT NULL,
    tool_name TEXT NOT NULL,
    tool_call_id TEXT,
    internal_call_id TEXT NOT NULL,
    args_json TEXT NOT NULL,
    result_json TEXT NOT NULL,
    FOREIGN KEY(session_id) REFERENCES prompt_audit_sessions(id) ON DELETE CASCADE
);

CREATE TABLE prompt_hook_on_text_delta_events (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    session_id INTEGER NOT NULL,
    event_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    sequence_no INTEGER NOT NULL,
    text_delta TEXT NOT NULL,
    aggregated_text TEXT NOT NULL,
    FOREIGN KEY(session_id) REFERENCES prompt_audit_sessions(id) ON DELETE CASCADE
);

CREATE TABLE prompt_hook_on_tool_call_delta_events (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    session_id INTEGER NOT NULL,
    event_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    sequence_no INTEGER NOT NULL,
    tool_call_id TEXT NOT NULL,
    internal_call_id TEXT NOT NULL,
    tool_name TEXT,
    tool_call_delta TEXT NOT NULL,
    FOREIGN KEY(session_id) REFERENCES prompt_audit_sessions(id) ON DELETE CASCADE
);

CREATE TABLE prompt_hook_on_stream_completion_response_finish_events (
    id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    session_id INTEGER NOT NULL,
    event_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    sequence_no INTEGER NOT NULL,
    prompt_json TEXT NOT NULL,
    response_summary_json TEXT NOT NULL,
    FOREIGN KEY(session_id) REFERENCES prompt_audit_sessions(id) ON DELETE CASCADE
);

CREATE INDEX idx_project_memory_entries_project_id
    ON project_memory_entries(project_id);
CREATE INDEX idx_project_memory_summaries_project_id
    ON project_memory_summaries(project_id);
CREATE INDEX idx_review_threads_project_id
    ON review_threads(project_id);
CREATE INDEX idx_review_threads_project_pr
    ON review_threads(project_id, pull_request_id);
CREATE INDEX idx_review_thread_messages_thread_id
    ON review_thread_messages(thread_id);
CREATE INDEX idx_prompt_audit_sessions_project_pr
    ON prompt_audit_sessions(project_id, pull_request_id);
CREATE INDEX idx_prompt_audit_sessions_entrypoint_started
    ON prompt_audit_sessions(entrypoint, started_at);
CREATE INDEX idx_prompt_hook_completion_call_session
    ON prompt_hook_on_completion_call_events(session_id, sequence_no);
CREATE INDEX idx_prompt_hook_completion_response_session
    ON prompt_hook_on_completion_response_events(session_id, sequence_no);
CREATE INDEX idx_prompt_hook_tool_call_session
    ON prompt_hook_on_tool_call_events(session_id, sequence_no);
CREATE INDEX idx_prompt_hook_tool_result_session
    ON prompt_hook_on_tool_result_events(session_id, sequence_no);
CREATE INDEX idx_prompt_hook_text_delta_session
    ON prompt_hook_on_text_delta_events(session_id, sequence_no);
CREATE INDEX idx_prompt_hook_tool_delta_session
    ON prompt_hook_on_tool_call_delta_events(session_id, sequence_no);
CREATE INDEX idx_prompt_hook_stream_finish_session
    ON prompt_hook_on_stream_completion_response_finish_events(session_id, sequence_no);