ALTER TABLE asterisk_call_links ADD COLUMN IF NOT EXISTS telephony_status VARCHAR(32) NOT NULL DEFAULT 'ringing';
ALTER TABLE asterisk_call_links ADD COLUMN IF NOT EXISTS claimed_by_user VARCHAR(128);
ALTER TABLE asterisk_call_links ADD COLUMN IF NOT EXISTS claimed_at VARCHAR(64);
ALTER TABLE asterisk_call_links ADD COLUMN IF NOT EXISTS operator_extension VARCHAR(64);
ALTER TABLE asterisk_call_links ADD COLUMN IF NOT EXISTS channel_name VARCHAR(256);
ALTER TABLE asterisk_call_links ADD COLUMN IF NOT EXISTS connected_at VARCHAR(64);

CREATE INDEX IF NOT EXISTS idx_asterisk_call_links_telephony_status ON asterisk_call_links(telephony_status);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_links_claimed_by_user ON asterisk_call_links(claimed_by_user);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_links_claimed_at ON asterisk_call_links(claimed_at);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_links_operator_extension ON asterisk_call_links(operator_extension);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_links_channel_name ON asterisk_call_links(channel_name);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_links_connected_at ON asterisk_call_links(connected_at);

UPDATE asterisk_call_links
SET telephony_status = CASE
  WHEN status = 'ended' THEN 'ended'
  ELSE 'ringing'
END
WHERE telephony_status IS NULL OR telephony_status = '';

CREATE TABLE IF NOT EXISTS asterisk_call_action_log (
  id SERIAL PRIMARY KEY,
  action_id VARCHAR(64) NOT NULL UNIQUE,
  call_id VARCHAR(128) NOT NULL,
  interaction_id VARCHAR(64),
  action_type VARCHAR(64) NOT NULL,
  actor_user VARCHAR(128) NOT NULL,
  actor_role VARCHAR(32) NOT NULL,
  request_json TEXT NOT NULL DEFAULT '{}',
  result_status VARCHAR(32) NOT NULL,
  ami_action_id VARCHAR(64),
  error TEXT,
  created_at VARCHAR(64) NOT NULL
);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_action_log_action_id ON asterisk_call_action_log(action_id);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_action_log_call_id ON asterisk_call_action_log(call_id);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_action_log_interaction_id ON asterisk_call_action_log(interaction_id);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_action_log_action_type ON asterisk_call_action_log(action_type);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_action_log_actor_user ON asterisk_call_action_log(actor_user);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_action_log_actor_role ON asterisk_call_action_log(actor_role);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_action_log_result_status ON asterisk_call_action_log(result_status);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_action_log_ami_action_id ON asterisk_call_action_log(ami_action_id);
CREATE INDEX IF NOT EXISTS idx_asterisk_call_action_log_created_at ON asterisk_call_action_log(created_at);