-- Auto refreshes when new entries get added. New things can be extracted from actions if necessary.

CREATE MATERIALIZED VIEW adset_insights_flattened AS
SELECT 
    time,
    adset_id,
    campaign_id,
    account_id,
    impressions,
    clicks,
    spend,
    reach,
    ctr,
    cpc,
    cpm,
    date_preset,
    date_start,
    date_stop,
    fetched_at,
    (SELECT (value->>'value')::numeric 
     FROM jsonb_array_elements(actions) 
     WHERE value->>'action_type' = 'link_click') AS link_click,
    (SELECT (value->>'value')::numeric 
     FROM jsonb_array_elements(actions) 
     WHERE value->>'action_type' = 'landing_page_view') AS landing_page_view,
    (SELECT (value->>'value')::numeric 
     FROM jsonb_array_elements(actions) 
     WHERE value->>'action_type' = 'lead') AS lead
FROM adset_insights;

-- Add indexes for common query patterns

CREATE INDEX idx_adset_insights_flat_campaign ON adset_insights_flattened(campaign_id);
CREATE INDEX idx_adset_insights_flat_date ON adset_insights_flattened(date_start, date_stop);


CREATE UNIQUE INDEX idx_adset_insights_flat_unique ON adset_insights_flattened(time, adset_id);
REFRESH MATERIALIZED VIEW CONCURRENTLY adset_insights_flattened;



--- same or atleast very similar for account_insights

CREATE MATERIALIZED VIEW account_insights_flattened AS
SELECT 
    time,
    account_id,
    impressions,
    clicks,
    spend,
    reach,
	frequency,
    ctr,
    cpc,
    cpm,
	cpp,
    date_preset,
    date_start,
    date_stop,
    fetched_at,
    (SELECT (value->>'value')::numeric 
     FROM jsonb_array_elements(actions) 
     WHERE value->>'action_type' = 'link_click') AS link_click,
    (SELECT (value->>'value')::numeric 
     FROM jsonb_array_elements(actions) 
     WHERE value->>'action_type' = 'landing_page_view') AS landing_page_view,
    (SELECT (value->>'value')::numeric 
     FROM jsonb_array_elements(actions) 
     WHERE value->>'action_type' = 'lead') AS lead,
	    (SELECT (value->>'value')::numeric 
     FROM jsonb_array_elements(cost_per_action_type) 
     WHERE value->>'action_type' = 'link_click') AS cost_per_link_click,
    (SELECT (value->>'value')::numeric 
     FROM jsonb_array_elements(cost_per_action_type) 
     WHERE value->>'action_type' = 'landing_page_view') AS cost_per_landing_page_view,
    (SELECT (value->>'value')::numeric 
     FROM jsonb_array_elements(cost_per_action_type) 
     WHERE value->>'action_type' = 'lead') AS cost_per_lead

FROM account_insights;


CREATE INDEX idx_account_insights_flat_date ON account_insights_flattened(date_start, date_stop);


CREATE UNIQUE INDEX idx_account_insights_flat_unique ON account_insights_flattened(time, account_id);
REFRESH MATERIALIZED VIEW CONCURRENTLY account_insights_flattened;


-- permissinos

-- Grant SELECT on the existing materialized view
GRANT SELECT ON account_insights_flattened TO grafana;

GRANT SELECT ON campaign_insights_flattened TO grafana;

GRANT SELECT ON adset_insights_flattened TO grafana;


-- Grant SELECT on all existing tables and views in the schema
GRANT SELECT ON ALL TABLES IN SCHEMA public TO grafana;

-- Grant SELECT on all future tables and views in the schema
ALTER DEFAULT PRIVILEGES IN SCHEMA public 
GRANT SELECT ON TABLES TO grafana;