-- Initial schema for messaging-center

CREATE TABLE messages (
    id TEXT PRIMARY KEY,
    source TEXT NOT NULL,          -- email, whatsapp, signal, sms, voicemail
    direction TEXT NOT NULL,       -- inbound, outbound
    from_contact TEXT NOT NULL,    -- JSON: {id, name, type}
    to_contact TEXT NOT NULL,      -- JSON: {id, name, type}
    timestamp DATETIME NOT NULL,
    type TEXT NOT NULL,            -- text, voice, image, document, email
    subject TEXT,
    body TEXT,
    body_html TEXT,
    status TEXT NOT NULL,          -- received, processing, delivered, failed
    raw TEXT,                      -- original message JSON
    created_at DATETIME NOT NULL,
    updated_at DATETIME NOT NULL
);

CREATE INDEX idx_messages_source ON messages(source);
CREATE INDEX idx_messages_direction ON messages(direction);
CREATE INDEX idx_messages_timestamp ON messages(timestamp);
CREATE INDEX idx_messages_type ON messages(type);
CREATE INDEX idx_messages_status ON messages(status);

CREATE TABLE attachments (
    id TEXT PRIMARY KEY,
    message_id TEXT NOT NULL REFERENCES messages(id) ON DELETE CASCADE,
    type TEXT NOT NULL,            -- mime type
    filename TEXT,
    size INTEGER NOT NULL,
    local_path TEXT,
    transcription TEXT,
    status TEXT NOT NULL           -- stored, processing, routed, deleted
);

CREATE INDEX idx_attachments_message_id ON attachments(message_id);
CREATE INDEX idx_attachments_status ON attachments(status);

CREATE TABLE commands (
    id TEXT PRIMARY KEY,
    type TEXT NOT NULL,            -- send, route, delete, archive, forward
    payload TEXT,                  -- JSON
    status TEXT NOT NULL,          -- pending, executing, completed, failed
    error TEXT,
    created_at DATETIME NOT NULL,
    updated_at DATETIME NOT NULL
);

CREATE INDEX idx_commands_type ON commands(type);
CREATE INDEX idx_commands_status ON commands(status);
CREATE INDEX idx_commands_created_at ON commands(created_at);