DROP MATERIALIZED VIEW IF EXISTS mv_risk_anomaly;
DROP MATERIALIZED VIEW IF EXISTS mv_risk_cashier;
DROP MATERIALIZED VIEW IF EXISTS mv_risk_zero;

CREATE MATERIALIZED VIEW mv_risk_anomaly AS
SELECT
  c003 AS store_name, c005 AS bill_no, c004 AS meal_period,
  c009::numeric AS consumption, COALESCE(c068::numeric,0) AS discount_total,
  (COALESCE(c143::numeric,0)+COALESCE(c144::numeric,0)+COALESCE(c145::numeric,0)+COALESCE(c146::numeric,0)+COALESCE(c147::numeric,0)+COALESCE(c148::numeric,0)+COALESCE(c149::numeric,0)+COALESCE(c150::numeric,0)+COALESCE(c151::numeric,0)+COALESCE(c152::numeric,0)+COALESCE(c153::numeric,0)+COALESCE(c155::numeric,0)+COALESCE(c160::numeric,0)+COALESCE(c161::numeric,0)+COALESCE(c164::numeric,0)+COALESCE(c166::numeric,0)+COALESCE(c169::numeric,0)+COALESCE(c173::numeric,0)+COALESCE(c174::numeric,0)+COALESCE(c118::numeric,0)+COALESCE(c119::numeric,0)+COALESCE(c120::numeric,0)+COALESCE(c121::numeric,0)+COALESCE(c139::numeric,0)+COALESCE(c141::numeric,0)+COALESCE(c142::numeric,0)) AS received_total,
  c191 AS cashier, c176 AS closed_at, c175::timestamp AS bill_time,
  to_char(c176::timestamp, 'YYYY-MM') AS month,
  CASE
    WHEN c009::numeric > 0 AND (COALESCE(c143::numeric,0)+COALESCE(c144::numeric,0)+COALESCE(c145::numeric,0)+COALESCE(c146::numeric,0)+COALESCE(c147::numeric,0)+COALESCE(c148::numeric,0)+COALESCE(c149::numeric,0)+COALESCE(c150::numeric,0)+COALESCE(c151::numeric,0)+COALESCE(c152::numeric,0)+COALESCE(c153::numeric,0)+COALESCE(c155::numeric,0)+COALESCE(c160::numeric,0)+COALESCE(c161::numeric,0)+COALESCE(c164::numeric,0)+COALESCE(c166::numeric,0)+COALESCE(c169::numeric,0)+COALESCE(c173::numeric,0)+COALESCE(c174::numeric,0)+COALESCE(c118::numeric,0)+COALESCE(c119::numeric,0)+COALESCE(c120::numeric,0)+COALESCE(c121::numeric,0)+COALESCE(c139::numeric,0)+COALESCE(c141::numeric,0)+COALESCE(c142::numeric,0)) = 0 THEN '有消费无实收'
    WHEN c068::numeric > c009::numeric THEN '优惠大于消费'
    WHEN abs(c009::numeric - COALESCE(c068::numeric,0) - (COALESCE(c143::numeric,0)+COALESCE(c144::numeric,0)+COALESCE(c145::numeric,0)+COALESCE(c146::numeric,0)+COALESCE(c147::numeric,0)+COALESCE(c148::numeric,0)+COALESCE(c149::numeric,0)+COALESCE(c150::numeric,0)+COALESCE(c151::numeric,0)+COALESCE(c152::numeric,0)+COALESCE(c153::numeric,0)+COALESCE(c155::numeric,0)+COALESCE(c160::numeric,0)+COALESCE(c161::numeric,0)+COALESCE(c164::numeric,0)+COALESCE(c166::numeric,0)+COALESCE(c169::numeric,0)+COALESCE(c173::numeric,0)+COALESCE(c174::numeric,0)+COALESCE(c118::numeric,0)+COALESCE(c119::numeric,0)+COALESCE(c120::numeric,0)+COALESCE(c121::numeric,0)+COALESCE(c139::numeric,0)+COALESCE(c141::numeric,0)+COALESCE(c142::numeric,0))) > 0.05 THEN '消费-优惠与实收不平'
  END AS anomaly_reason
FROM bill_records
WHERE c175 IS NOT NULL AND c175 != '' AND c176 IS NOT NULL AND c176 != ''
  AND (
    (c009::numeric > 0 AND (COALESCE(c143::numeric,0)+COALESCE(c144::numeric,0)+COALESCE(c145::numeric,0)+COALESCE(c146::numeric,0)+COALESCE(c147::numeric,0)+COALESCE(c148::numeric,0)+COALESCE(c149::numeric,0)+COALESCE(c150::numeric,0)+COALESCE(c151::numeric,0)+COALESCE(c152::numeric,0)+COALESCE(c153::numeric,0)+COALESCE(c155::numeric,0)+COALESCE(c160::numeric,0)+COALESCE(c161::numeric,0)+COALESCE(c164::numeric,0)+COALESCE(c166::numeric,0)+COALESCE(c169::numeric,0)+COALESCE(c173::numeric,0)+COALESCE(c174::numeric,0)+COALESCE(c118::numeric,0)+COALESCE(c119::numeric,0)+COALESCE(c120::numeric,0)+COALESCE(c121::numeric,0)+COALESCE(c139::numeric,0)+COALESCE(c141::numeric,0)+COALESCE(c142::numeric,0)) = 0)
    OR (c068::numeric > c009::numeric)
    OR (abs(c009::numeric - COALESCE(c068::numeric,0) - (COALESCE(c143::numeric,0)+COALESCE(c144::numeric,0)+COALESCE(c145::numeric,0)+COALESCE(c146::numeric,0)+COALESCE(c147::numeric,0)+COALESCE(c148::numeric,0)+COALESCE(c149::numeric,0)+COALESCE(c150::numeric,0)+COALESCE(c151::numeric,0)+COALESCE(c152::numeric,0)+COALESCE(c153::numeric,0)+COALESCE(c155::numeric,0)+COALESCE(c160::numeric,0)+COALESCE(c161::numeric,0)+COALESCE(c164::numeric,0)+COALESCE(c166::numeric,0)+COALESCE(c169::numeric,0)+COALESCE(c173::numeric,0)+COALESCE(c174::numeric,0)+COALESCE(c118::numeric,0)+COALESCE(c119::numeric,0)+COALESCE(c120::numeric,0)+COALESCE(c121::numeric,0)+COALESCE(c139::numeric,0)+COALESCE(c141::numeric,0)+COALESCE(c142::numeric,0))) > 0.05)
  );

CREATE MATERIALIZED VIEW mv_risk_cashier AS
SELECT
  c003 AS store_name, c191 AS cashier,
  count(*) AS bill_count,
  round(sum(c009::numeric),2) AS consumption_total,
  round(sum(COALESCE(c068::numeric,0)),2) AS discount_total,
  round(sum(COALESCE(c143::numeric,0)+COALESCE(c144::numeric,0)+COALESCE(c145::numeric,0)+COALESCE(c146::numeric,0)+COALESCE(c147::numeric,0)+COALESCE(c148::numeric,0)+COALESCE(c149::numeric,0)+COALESCE(c150::numeric,0)+COALESCE(c151::numeric,0)+COALESCE(c152::numeric,0)+COALESCE(c153::numeric,0)+COALESCE(c155::numeric,0)+COALESCE(c160::numeric,0)+COALESCE(c161::numeric,0)+COALESCE(c164::numeric,0)+COALESCE(c166::numeric,0)+COALESCE(c169::numeric,0)+COALESCE(c173::numeric,0)+COALESCE(c174::numeric,0)+COALESCE(c118::numeric,0)+COALESCE(c119::numeric,0)+COALESCE(c120::numeric,0)+COALESCE(c121::numeric,0)+COALESCE(c139::numeric,0)+COALESCE(c141::numeric,0)+COALESCE(c142::numeric,0)),2) AS received,
  count(*) FILTER (WHERE c009::numeric > 0 AND (COALESCE(c143::numeric,0)+COALESCE(c144::numeric,0)+COALESCE(c145::numeric,0)+COALESCE(c146::numeric,0)+COALESCE(c147::numeric,0)+COALESCE(c148::numeric,0)+COALESCE(c149::numeric,0)+COALESCE(c150::numeric,0)+COALESCE(c151::numeric,0)+COALESCE(c152::numeric,0)+COALESCE(c153::numeric,0)+COALESCE(c155::numeric,0)+COALESCE(c160::numeric,0)+COALESCE(c161::numeric,0)+COALESCE(c164::numeric,0)+COALESCE(c166::numeric,0)+COALESCE(c169::numeric,0)+COALESCE(c173::numeric,0)+COALESCE(c174::numeric,0)+COALESCE(c118::numeric,0)+COALESCE(c119::numeric,0)+COALESCE(c120::numeric,0)+COALESCE(c121::numeric,0)+COALESCE(c139::numeric,0)+COALESCE(c141::numeric,0)+COALESCE(c142::numeric,0)) = 0) AS anomaly_no_received,
  count(*) FILTER (WHERE c068::numeric > c009::numeric) AS anomaly_discount_over,
  count(*) FILTER (WHERE abs(c009::numeric - COALESCE(c068::numeric,0) - (COALESCE(c143::numeric,0)+COALESCE(c144::numeric,0)+COALESCE(c145::numeric,0)+COALESCE(c146::numeric,0)+COALESCE(c147::numeric,0)+COALESCE(c148::numeric,0)+COALESCE(c149::numeric,0)+COALESCE(c150::numeric,0)+COALESCE(c151::numeric,0)+COALESCE(c152::numeric,0)+COALESCE(c153::numeric,0)+COALESCE(c155::numeric,0)+COALESCE(c160::numeric,0)+COALESCE(c161::numeric,0)+COALESCE(c164::numeric,0)+COALESCE(c166::numeric,0)+COALESCE(c169::numeric,0)+COALESCE(c173::numeric,0)+COALESCE(c174::numeric,0)+COALESCE(c118::numeric,0)+COALESCE(c119::numeric,0)+COALESCE(c120::numeric,0)+COALESCE(c121::numeric,0)+COALESCE(c139::numeric,0)+COALESCE(c141::numeric,0)+COALESCE(c142::numeric,0))) > 0.05) AS anomaly_unbalanced,
  to_char(c176::timestamp, 'YYYY-MM') AS month
FROM bill_records
WHERE c175 IS NOT NULL AND c175 != '' AND c176 IS NOT NULL AND c176 != ''
GROUP BY c003, c191, to_char(c176::timestamp, 'YYYY-MM');

CREATE MATERIALIZED VIEW mv_risk_zero AS
SELECT
  c003 AS store_name, c005 AS bill_no, c004 AS meal_period,
  c009::numeric AS consumption, COALESCE(c068::numeric,0) AS discount_total,
  c191 AS cashier, c176 AS closed_at, c175::timestamp AS bill_time,
  to_char(c176::timestamp, 'YYYY-MM') AS month,
  CASE
    WHEN c009::numeric = 0 AND COALESCE(c068::numeric,0) = 0 THEN '无消费无优惠'
    WHEN c009::numeric > 0 AND COALESCE(c068::numeric,0) >= c009::numeric THEN '全额优惠'
    ELSE '其他零实收'
  END AS zero_received_type
FROM bill_records
WHERE c175 IS NOT NULL AND c175 != '' AND c176 IS NOT NULL AND c176 != ''
  AND (COALESCE(c143::numeric,0)+COALESCE(c144::numeric,0)+COALESCE(c145::numeric,0)+COALESCE(c146::numeric,0)+COALESCE(c147::numeric,0)+COALESCE(c148::numeric,0)+COALESCE(c149::numeric,0)+COALESCE(c150::numeric,0)+COALESCE(c151::numeric,0)+COALESCE(c152::numeric,0)+COALESCE(c153::numeric,0)+COALESCE(c155::numeric,0)+COALESCE(c160::numeric,0)+COALESCE(c161::numeric,0)+COALESCE(c164::numeric,0)+COALESCE(c166::numeric,0)+COALESCE(c169::numeric,0)+COALESCE(c173::numeric,0)+COALESCE(c174::numeric,0)+COALESCE(c118::numeric,0)+COALESCE(c119::numeric,0)+COALESCE(c120::numeric,0)+COALESCE(c121::numeric,0)+COALESCE(c139::numeric,0)+COALESCE(c141::numeric,0)+COALESCE(c142::numeric,0)) = 0;

CREATE INDEX idx_mv_anomaly_month ON mv_risk_anomaly (month);
CREATE INDEX idx_mv_anomaly_store ON mv_risk_anomaly (store_name);
CREATE INDEX idx_mv_anomaly_cashier ON mv_risk_anomaly (cashier);
CREATE INDEX idx_mv_anomaly_reason ON mv_risk_anomaly (anomaly_reason);
CREATE INDEX idx_mv_cashier_month ON mv_risk_cashier (month);
CREATE INDEX idx_mv_zero_month ON mv_risk_zero (month);