-- schema version 4 to 5

CREATE TABLE area_commitment_type_new (
    vtrgid         TEXT NOT NULL CHECK (vtrgid = sortid || COALESCE(attrid, '') || disc),
    sortid         TEXT NOT NULL,
    attrid         TEXT,
    disc           TEXT DEFAULT NULL CHECK (disc REGEXP '^[A-Z0-9]+$'),

    min_kg_per_ha  INTEGER,
    max_kg_per_ha  INTEGER,
    penalty_amount INTEGER,

    CONSTRAINT pk_area_commitment_type PRIMARY KEY (vtrgid),
    CONSTRAINT sk_area_commitment_type_sort_attr UNIQUE (sortid, attrid, disc),
    CONSTRAINT fk_area_commitment_type_wine_variety FOREIGN KEY (sortid) REFERENCES wine_variety (sortid)
        ON UPDATE CASCADE
        ON DELETE RESTRICT,
    CONSTRAINT fk_area_commitment_type_wine_attribute FOREIGN KEY (attrid) REFERENCES wine_attribute (attrid)
        ON UPDATE CASCADE
        ON DELETE RESTRICT
) STRICT;

INSERT INTO area_commitment_type_new (vtrgid, sortid, attrid, disc, min_kg_per_ha, max_kg_per_ha, penalty_amount)
SELECT vtrgid, sortid, attrid_1, disc, min_kg_per_ha, max_kg_per_ha, penalty_amount FROM area_commitment_type;

PRAGMA foreign_keys = OFF;
PRAGMA writable_schema = ON;
DROP TABLE area_commitment_type;
ALTER TABLE area_commitment_type_new RENAME TO area_commitment_type;
PRAGMA writable_schema = OFF;
PRAGMA foreign_keys = ON;

ALTER TABLE delivery_part ADD COLUMN attrid TEXT DEFAULT NULL REFERENCES wine_attribute (attrid)
    ON UPDATE CASCADE
    ON DELETE RESTRICT;

UPDATE delivery_part
SET attrid = (SELECT attrid
              FROM delivery_part_attribute a
              WHERE (delivery_part.year, delivery_part.did, delivery_part.dpnr) = (a.year, a.did, a.dpnr)
              ORDER BY attrid DESC
              LIMIT 1);

DROP TRIGGER t_delivery_part_attribute_i_mtime_delivery_part;
DROP TRIGGER t_delivery_part_attribute_u_mtime_delivery_part;
DROP TRIGGER t_delivery_part_attribute_d_mtime_delivery_part;
DROP TABLE delivery_part_attribute;

DROP VIEW v_delivery;
CREATE VIEW v_delivery AS
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, a.attrid,
       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,
       COALESCE(a.fill_lower_bins, 0) AS attribute_prio,
       GROUP_CONCAT(o.modid) AS modifiers,
       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 wine_attribute a ON a.attrid = p.attrid
    LEFT JOIN delivery_part_modifier o ON (o.year, o.did, o.dpnr) = (p.year, p.did, p.dpnr)
GROUP BY p.year, p.did, p.dpnr
ORDER BY p.year, p.did, p.dpnr, o.modid;

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

DROP VIEW v_stat_attr;
CREATE VIEW v_stat_attr AS
SELECT year, attrid,
       SUM(weight) as sum,
       ROUND(SUM(kmw * weight) / SUM(weight), 2) AS kmw,
       ROUND(SUM(oe * weight) / SUM(weight), 1) AS oe,
       COUNT(DISTINCT did) AS lieferungen,
       COUNT(DISTINCT mgnr) AS mitglieder
FROM v_delivery
GROUP BY year, attrid
ORDER BY year, attrid;

DROP VIEW v_stat_sort_attr;
CREATE VIEW v_stat_sort_attr AS
SELECT year, sortid, attrid,
       SUM(weight) as sum,
       ROUND(SUM(kmw * weight) / SUM(weight), 2) AS kmw,
       ROUND(SUM(oe * weight) / SUM(weight), 1) AS oe,
       COUNT(DISTINCT did) AS lieferungen,
       COUNT(DISTINCT mgnr) AS mitglieder
FROM v_delivery
GROUP BY year, sortid, attrid
ORDER BY year, sortid, attrid;