-- schema version 2 to 3

CREATE TABLE delivery_part_bin (
    year     INTEGER NOT NULL,
    did      INTEGER NOT NULL,
    dpnr     INTEGER NOT NULL,
    binnr    INTEGER NOT NULL,

    discr    TEXT    NOT NULL,
    value    INTEGER NOT NULL,

    CONSTRAINT pk_delivery_part_bin PRIMARY KEY (year, did, dpnr, binnr),
    CONSTRAINT fk_delivery_part_bin_delivery_part FOREIGN KEY (year, did, dpnr) REFERENCES delivery_part (year, did, dpnr)
        ON UPDATE CASCADE
        ON DELETE CASCADE
) STRICT;

INSERT INTO delivery_part_bin (year, did, dpnr, binnr, discr, value)
SELECT year, did, dpnr, 0, '_', bucket_2 + bucket_3
FROM payment_delivery_part
WHERE COALESCE(bucket_1, bucket_2, bucket_3, bucket_4, bucket_5, bucket_6, bucket_7, bucket_8, bucket_9) IS NOT NULL
ON CONFLICT DO NOTHING;

INSERT INTO delivery_part_bin (year, did, dpnr, binnr, discr, value)
SELECT d.year, d.did, d.dpnr, 1, COALESCE(attributes, ''), bucket_1
FROM payment_delivery_part p
    JOIN v_delivery d ON (d.year, d.did, d.dpnr) = (p.year, p.did, p.dpnr)
WHERE COALESCE(bucket_1, bucket_2, bucket_3, bucket_4, bucket_5, bucket_6, bucket_7, bucket_8, bucket_9) IS NOT NULL
ON CONFLICT DO NOTHING;

ALTER TABLE payment_delivery_part DROP COLUMN bucket_1;
ALTER TABLE payment_delivery_part DROP COLUMN bucket_2;
ALTER TABLE payment_delivery_part DROP COLUMN bucket_3;
ALTER TABLE payment_delivery_part DROP COLUMN bucket_4;
ALTER TABLE payment_delivery_part DROP COLUMN bucket_5;
ALTER TABLE payment_delivery_part DROP COLUMN bucket_6;
ALTER TABLE payment_delivery_part DROP COLUMN bucket_7;
ALTER TABLE payment_delivery_part DROP COLUMN bucket_8;
ALTER TABLE payment_delivery_part DROP COLUMN bucket_9;
ALTER TABLE payment_variant DROP COLUMN bucket_1_name;
ALTER TABLE payment_variant DROP COLUMN bucket_2_name;
ALTER TABLE payment_variant DROP COLUMN bucket_3_name;
ALTER TABLE payment_variant DROP COLUMN bucket_4_name;
ALTER TABLE payment_variant DROP COLUMN bucket_5_name;
ALTER TABLE payment_variant DROP COLUMN bucket_6_name;
ALTER TABLE payment_variant DROP COLUMN bucket_7_name;
ALTER TABLE payment_variant DROP COLUMN bucket_8_name;
ALTER TABLE payment_variant DROP COLUMN bucket_9_name;

ALTER TABLE delivery_part ADD COLUMN gebunden INTEGER CHECK (gebunden IN (TRUE, FALSE)) DEFAULT NULL;

DROP VIEW v_delivery;
CREATE VIEW v_delivery AS
SELECT s.*, GROUP_CONCAT(o.modid) AS modifiers
FROM (SELECT p.year, p.did, p.dpnr,
             d.date, d.time, d.zwstid, d.lnr, d.lsnr,
             m.mgnr, m.family_name, m.given_name,
             p.sortid, p.weight, p.kmw, ROUND(p.kmw * (4.54 + 0.022 * p.kmw), 0) AS oe, p.qualid, p.hkid, p.kgnr, p.rdnr,
             p.gerebelt, p.gebunden,
             p.qualid IN (SELECT l.qualid FROM wine_quality_level l WHERE NOT l.predicate AND (p.kmw >= l.min_kmw OR l.min_kmw IS NULL) ORDER BY l.min_kmw DESC LIMIT 1,100) AS abgewertet,
             p.qualid NOT IN ('WEI', 'RSW', 'LDW') AS min_quw,
             GROUP_CONCAT(a.attrid) AS attributes,
             COALESCE(SUM(a.fill_lower_bins), 0) AS attribute_prio,
             d.comment, p.comment AS part_comment
      FROM delivery_part p
          JOIN delivery d ON (d.year, d.did) = (p.year, p.did)
          JOIN member m ON m.mgnr = d.mgnr
          LEFT JOIN delivery_part_attribute pa ON (pa.year, pa.did, pa.dpnr) = (p.year, p.did, p.dpnr)
          LEFT JOIN wine_attribute a ON a.attrid = pa.attrid
      GROUP BY p.year, p.did, p.dpnr
      ORDER BY p.year, p.did, p.dpnr, a.attrid) s
LEFT JOIN delivery_part_modifier o ON (o.year, o.did, o.dpnr) = (s.year, s.did, s.dpnr)
GROUP BY s.year, s.lsnr, s.dpnr
ORDER BY s.year, s.lsnr, s.dpnr, o.modid;

DROP VIEW v_bucket;

CREATE VIEW v_delivery_bin AS
SELECT year, mgnr,
       sortid || IIF(min_quw, REPLACE(COALESCE(attributes, ''), ',', ''), '_') AS bin,
       SUM(weight) AS weight
FROM v_delivery
GROUP BY year, mgnr, bin
ORDER BY year, mgnr, LENGTH(bin) DESC, bin;

CREATE VIEW v_payment_bin AS
SELECT d.year, d.mgnr,
       sortid || discr AS bin,
       SUM(value) AS weight
FROM v_delivery d
    JOIN delivery_part_bin b ON (b.year, b.did, b.dpnr) = (d.year, d.did, d.dpnr)
GROUP BY d.year, d.mgnr, bin
HAVING SUM(value) > 0
ORDER BY d.year, d.mgnr, bin;

ALTER TABLE wine_attribute ADD COLUMN fill_lower_bins INTEGER NOT NULL CHECK (fill_lower_bins IN (0, 1, 2)) DEFAULT 0;