-- +goose Up
-- v1 的试选/锁旧价记录无法安全推断为单趟执行事实。先在同一事务中拒绝它们，
-- 避免删除审计数据后再尝试猜测映射。
CREATE TABLE single_pass_upgrade_guard (
  valid INTEGER NOT NULL CHECK (valid = 1)
);

INSERT INTO single_pass_upgrade_guard (valid)
SELECT CASE WHEN
  (SELECT COUNT(*) FROM spec_trials) = 0
  AND (SELECT COUNT(*) FROM order_authorizations) = 0
  AND (SELECT COUNT(*) FROM order_submissions) = 0
  AND (SELECT COUNT(*) FROM tasks WHERE source <> 'MANUAL' OR status <> 'DRAFT') = 0
  -- v2 的金额边界是严格正数；不把 v1 中不能无损纳入该边界的数据悄悄改写。
  AND (SELECT COUNT(*) FROM tasks WHERE
    max_total_price = ''
    OR max_total_price GLOB '*[^0-9.]*'
    OR length(max_total_price) - length(replace(max_total_price, '.', '')) > 1
    OR max_total_price = '.'
    OR (instr(max_total_price, '.') > 0 AND (
      instr(max_total_price, '.') = 1
      OR length(max_total_price) = instr(max_total_price, '.')
      OR length(max_total_price) - instr(max_total_price, '.') > 2
    ))
    OR replace(replace(max_total_price, '.', ''), '0', '') = ''
  ) = 0
THEN 1 ELSE 0 END;

DROP TABLE single_pass_upgrade_guard;

ALTER TABLE tasks RENAME TO tasks_v1;
DROP TABLE order_submissions;
DROP TABLE order_authorizations;
DROP TABLE spec_trials;

CREATE TABLE tasks (
  id TEXT PRIMARY KEY,
  source TEXT NOT NULL CHECK (source IN ('MANUAL', 'EXCEL', 'ERP')),
  source_ref TEXT,
  title TEXT NOT NULL,
  goods_id TEXT NOT NULL,
  sku_color TEXT NOT NULL,
  sku_size TEXT NOT NULL,
  quantity INTEGER NOT NULL CHECK (quantity > 0 AND typeof(quantity) = 'integer'),
  max_total_price TEXT NOT NULL CHECK (
    max_total_price <> ''
    AND max_total_price NOT GLOB '*[^0-9.]*'
    AND length(max_total_price) - length(replace(max_total_price, '.', '')) <= 1
    AND max_total_price <> '.'
    AND (instr(max_total_price, '.') = 0 OR (
      instr(max_total_price, '.') > 1
      AND length(max_total_price) > instr(max_total_price, '.')
      AND length(max_total_price) - instr(max_total_price, '.') <= 2
    ))
    AND replace(replace(max_total_price, '.', ''), '0', '') <> ''
  ),
  reference_asset_id TEXT,
  status TEXT NOT NULL CHECK (status IN (
    'DRAFT', 'PENDING', 'CLAIMED', 'ORDERING', 'NEEDS_MANUAL', 'WAITING_PAYMENT',
    'RECONCILIATION_REQUIRED', 'SUCCEEDED', 'FAILED', 'CANCELED'
  )),
  version INTEGER NOT NULL DEFAULT 1 CHECK (version > 0 AND typeof(version) = 'integer'),
  created_at TEXT NOT NULL,
  updated_at TEXT NOT NULL
);

INSERT INTO tasks (
  id, source, source_ref, title, goods_id, sku_color, sku_size, quantity, max_total_price,
  reference_asset_id, status, version, created_at, updated_at
)
SELECT
  id, source, source_ref, title, goods_id, sku_color, sku_size, quantity, max_total_price,
  reference_asset_id, status, version, created_at, updated_at
FROM tasks_v1;

DROP TABLE tasks_v1;

CREATE TABLE order_authorizations (
  id TEXT PRIMARY KEY,
  task_id TEXT NOT NULL REFERENCES tasks(id),
  task_version INTEGER NOT NULL CHECK (task_version > 0 AND typeof(task_version) = 'integer'),
  start_key TEXT NOT NULL,
  goods_id TEXT NOT NULL,
  sku_color TEXT NOT NULL,
  sku_size TEXT NOT NULL,
  quantity INTEGER NOT NULL CHECK (quantity > 0 AND typeof(quantity) = 'integer'),
  total_price_cap TEXT NOT NULL CHECK (
    total_price_cap <> ''
    AND total_price_cap NOT GLOB '*[^0-9.]*'
    AND length(total_price_cap) - length(replace(total_price_cap, '.', '')) <= 1
    AND total_price_cap <> '.'
    AND (instr(total_price_cap, '.') = 0 OR (
      instr(total_price_cap, '.') > 1
      AND length(total_price_cap) > instr(total_price_cap, '.')
      AND length(total_price_cap) - instr(total_price_cap, '.') <= 2
    ))
    AND replace(replace(total_price_cap, '.', ''), '0', '') <> ''
  ),
  status TEXT NOT NULL CHECK (status IN ('ACTIVE', 'CLAIMED', 'FENCED', 'CONSUMED', 'EXPIRED', 'ABANDONED')),
  created_by TEXT NOT NULL,
  created_at TEXT NOT NULL,
  expires_at TEXT NOT NULL,
  UNIQUE (task_id, task_version),
  UNIQUE (start_key, task_id),
  UNIQUE (task_id, id)
);

CREATE TABLE purchase_attempts (
  id TEXT PRIMARY KEY,
  task_id TEXT NOT NULL,
  authorization_id TEXT NOT NULL,
  claim_generation INTEGER NOT NULL CHECK (claim_generation > 0 AND typeof(claim_generation) = 'integer'),
  status TEXT NOT NULL CHECK (status IN ('CLAIMED', 'ORDERING', 'FAILED', 'FENCED', 'ABANDONED')),
  gate1_unit_price TEXT CHECK (
    gate1_unit_price IS NULL OR (
      gate1_unit_price <> ''
      AND gate1_unit_price NOT GLOB '*[^0-9.]*'
      AND length(gate1_unit_price) - length(replace(gate1_unit_price, '.', '')) <= 1
      AND gate1_unit_price <> '.'
      AND (instr(gate1_unit_price, '.') = 0 OR (
        instr(gate1_unit_price, '.') > 1
        AND length(gate1_unit_price) > instr(gate1_unit_price, '.')
        AND length(gate1_unit_price) - instr(gate1_unit_price, '.') <= 2
      ))
      AND replace(replace(gate1_unit_price, '.', ''), '0', '') <> ''
    )
  ),
  gate2_unit_price TEXT CHECK (
    gate2_unit_price IS NULL OR (
      gate2_unit_price <> ''
      AND gate2_unit_price NOT GLOB '*[^0-9.]*'
      AND length(gate2_unit_price) - length(replace(gate2_unit_price, '.', '')) <= 1
      AND gate2_unit_price <> '.'
      AND (instr(gate2_unit_price, '.') = 0 OR (
        instr(gate2_unit_price, '.') > 1
        AND length(gate2_unit_price) > instr(gate2_unit_price, '.')
        AND length(gate2_unit_price) - instr(gate2_unit_price, '.') <= 2
      ))
      AND replace(replace(gate2_unit_price, '.', ''), '0', '') <> ''
    )
  ),
  quantity_read INTEGER CHECK (quantity_read IS NULL OR (quantity_read > 0 AND typeof(quantity_read) = 'integer')),
  confirm_amount TEXT CHECK (
    confirm_amount IS NULL OR (
      confirm_amount <> ''
      AND confirm_amount NOT GLOB '*[^0-9.]*'
      AND length(confirm_amount) - length(replace(confirm_amount, '.', '')) <= 1
      AND confirm_amount <> '.'
      AND (instr(confirm_amount, '.') = 0 OR (
        instr(confirm_amount, '.') > 1
        AND length(confirm_amount) > instr(confirm_amount, '.')
        AND length(confirm_amount) - instr(confirm_amount, '.') <= 2
      ))
      AND replace(replace(confirm_amount, '.', ''), '0', '') <> ''
    )
  ),
  failure_code TEXT CHECK (failure_code IS NULL OR failure_code IN (
    'AUTHORIZATION_EXPIRED', 'LEASE_LOST', 'GATE_1_REJECTED', 'QUANTITY_MISMATCH',
    'GATE_2_REJECTED', 'GATE_3_REJECTED', 'FENCE_REJECTED', 'SAFE_ABORTED'
  )),
  started_at TEXT NOT NULL,
  finished_at TEXT,
  UNIQUE (task_id, claim_generation),
  UNIQUE (task_id, id),
  UNIQUE (task_id, authorization_id, id),
  FOREIGN KEY (task_id, authorization_id) REFERENCES order_authorizations(task_id, id)
);

CREATE TABLE order_submissions (
  id TEXT PRIMARY KEY,
  task_id TEXT NOT NULL,
  authorization_id TEXT NOT NULL,
  attempt_id TEXT NOT NULL,
  status TEXT NOT NULL CHECK (status IN ('FENCED', 'SUBMITTED', 'RECONCILIATION_REQUIRED', 'MANUAL_RESOLVED')),
  gate1_unit_price TEXT NOT NULL CHECK (
    gate1_unit_price <> ''
    AND gate1_unit_price NOT GLOB '*[^0-9.]*'
    AND length(gate1_unit_price) - length(replace(gate1_unit_price, '.', '')) <= 1
    AND gate1_unit_price <> '.'
    AND (instr(gate1_unit_price, '.') = 0 OR (
      instr(gate1_unit_price, '.') > 1
      AND length(gate1_unit_price) > instr(gate1_unit_price, '.')
      AND length(gate1_unit_price) - instr(gate1_unit_price, '.') <= 2
    ))
    AND replace(replace(gate1_unit_price, '.', ''), '0', '') <> ''
  ),
  gate2_unit_price TEXT NOT NULL CHECK (
    gate2_unit_price <> ''
    AND gate2_unit_price NOT GLOB '*[^0-9.]*'
    AND length(gate2_unit_price) - length(replace(gate2_unit_price, '.', '')) <= 1
    AND gate2_unit_price <> '.'
    AND (instr(gate2_unit_price, '.') = 0 OR (
      instr(gate2_unit_price, '.') > 1
      AND length(gate2_unit_price) > instr(gate2_unit_price, '.')
      AND length(gate2_unit_price) - instr(gate2_unit_price, '.') <= 2
    ))
    AND replace(replace(gate2_unit_price, '.', ''), '0', '') <> ''
  ),
  quantity_read INTEGER NOT NULL CHECK (quantity_read > 0 AND typeof(quantity_read) = 'integer'),
  confirm_amount TEXT NOT NULL CHECK (
    confirm_amount <> ''
    AND confirm_amount NOT GLOB '*[^0-9.]*'
    AND length(confirm_amount) - length(replace(confirm_amount, '.', '')) <= 1
    AND confirm_amount <> '.'
    AND (instr(confirm_amount, '.') = 0 OR (
      instr(confirm_amount, '.') > 1
      AND length(confirm_amount) > instr(confirm_amount, '.')
      AND length(confirm_amount) - instr(confirm_amount, '.') <= 2
    ))
    AND replace(replace(confirm_amount, '.', ''), '0', '') <> ''
  ),
  created_at TEXT NOT NULL,
  resolved_at TEXT,
  UNIQUE (authorization_id),
  UNIQUE (attempt_id),
  FOREIGN KEY (task_id, authorization_id, attempt_id) REFERENCES purchase_attempts(task_id, authorization_id, id)
);

-- +goose Down
-- 只有尚未产生任何单趟授权或执行事实的纯 MANUAL/DRAFT 数据才能无损回到 v1。
CREATE TABLE single_pass_downgrade_guard (
  valid INTEGER NOT NULL CHECK (valid = 1)
);

INSERT INTO single_pass_downgrade_guard (valid)
SELECT CASE WHEN
  (SELECT COUNT(*) FROM order_authorizations) = 0
  AND (SELECT COUNT(*) FROM purchase_attempts) = 0
  AND (SELECT COUNT(*) FROM order_submissions) = 0
  AND (SELECT COUNT(*) FROM tasks WHERE source <> 'MANUAL' OR status <> 'DRAFT') = 0
THEN 1 ELSE 0 END;

DROP TABLE single_pass_downgrade_guard;

ALTER TABLE tasks RENAME TO tasks_v2;
DROP TABLE order_submissions;
DROP TABLE purchase_attempts;
DROP TABLE order_authorizations;

CREATE TABLE tasks (
  id TEXT PRIMARY KEY,
  source TEXT NOT NULL CHECK (source IN ('MANUAL', 'EXCEL', 'ERP')),
  source_ref TEXT,
  title TEXT NOT NULL,
  goods_id TEXT NOT NULL,
  sku_color TEXT NOT NULL,
  sku_size TEXT NOT NULL,
  quantity INTEGER NOT NULL CHECK (quantity > 0 AND typeof(quantity) = 'integer'),
  max_total_price TEXT NOT NULL CHECK (
    max_total_price <> ''
    AND max_total_price NOT GLOB '*[^0-9.]*'
    AND length(max_total_price) - length(replace(max_total_price, '.', '')) <= 1
    AND max_total_price <> '.'
    AND (instr(max_total_price, '.') = 0 OR (
      instr(max_total_price, '.') > 1
      AND length(max_total_price) > instr(max_total_price, '.')
      AND length(max_total_price) - instr(max_total_price, '.') <= 2
    ))
  ),
  reference_asset_id TEXT,
  status TEXT NOT NULL CHECK (status IN (
    'DRAFT', 'PENDING', 'CLAIMED', 'RUNNING', 'WAITING_CONFIRMATION',
    'PENDING_RETRIAL', 'AUTHORIZED', 'ORDERING', 'WAITING_PAYMENT',
    'RECONCILIATION_REQUIRED', 'NEEDS_MANUAL', 'SUCCEEDED', 'CANCELED'
  )),
  version INTEGER NOT NULL DEFAULT 1 CHECK (version > 0 AND typeof(version) = 'integer'),
  created_at TEXT NOT NULL,
  updated_at TEXT NOT NULL
);

INSERT INTO tasks (
  id, source, source_ref, title, goods_id, sku_color, sku_size, quantity, max_total_price,
  reference_asset_id, status, version, created_at, updated_at
)
SELECT
  id, source, source_ref, title, goods_id, sku_color, sku_size, quantity, max_total_price,
  reference_asset_id, status, version, created_at, updated_at
FROM tasks_v2;

DROP TABLE tasks_v2;

CREATE TABLE spec_trials (
  id TEXT PRIMARY KEY,
  task_id TEXT NOT NULL REFERENCES tasks(id),
  attempt INTEGER NOT NULL CHECK (attempt > 0 AND typeof(attempt) = 'integer'),
  product_title TEXT NOT NULL,
  selected_color TEXT NOT NULL,
  selected_size TEXT NOT NULL,
  unit_price TEXT NOT NULL CHECK (unit_price <> '' AND unit_price NOT GLOB '*[^0-9.]*' AND length(unit_price) - length(replace(unit_price, '.', '')) <= 1 AND unit_price <> '.' AND (instr(unit_price, '.') = 0 OR (instr(unit_price, '.') > 1 AND length(unit_price) > instr(unit_price, '.') AND length(unit_price) - instr(unit_price, '.') <= 2))),
  total_price TEXT NOT NULL CHECK (total_price <> '' AND total_price NOT GLOB '*[^0-9.]*' AND length(total_price) - length(replace(total_price, '.', '')) <= 1 AND total_price <> '.' AND (instr(total_price, '.') = 0 OR (instr(total_price, '.') > 1 AND length(total_price) > instr(total_price, '.') AND length(total_price) - instr(total_price, '.') <= 2))),
  evidence_sha256 TEXT NOT NULL,
  created_at TEXT NOT NULL,
  UNIQUE (task_id, attempt),
  UNIQUE (task_id, id)
);

CREATE TABLE order_authorizations (
  id TEXT PRIMARY KEY,
  task_id TEXT NOT NULL REFERENCES tasks(id),
  spec_trial_id TEXT NOT NULL REFERENCES spec_trials(id),
  version INTEGER NOT NULL CHECK (version > 0 AND typeof(version) = 'integer'),
  goods_id TEXT NOT NULL,
  sku_color TEXT NOT NULL,
  sku_size TEXT NOT NULL,
  quantity INTEGER NOT NULL CHECK (quantity > 0 AND typeof(quantity) = 'integer'),
  authorized_unit_price TEXT NOT NULL CHECK (authorized_unit_price <> '' AND authorized_unit_price NOT GLOB '*[^0-9.]*' AND length(authorized_unit_price) - length(replace(authorized_unit_price, '.', '')) <= 1 AND authorized_unit_price <> '.' AND (instr(authorized_unit_price, '.') = 0 OR (instr(authorized_unit_price, '.') > 1 AND length(authorized_unit_price) > instr(authorized_unit_price, '.') AND length(authorized_unit_price) - instr(authorized_unit_price, '.') <= 2))),
  total_price_cap TEXT NOT NULL CHECK (total_price_cap <> '' AND total_price_cap NOT GLOB '*[^0-9.]*' AND length(total_price_cap) - length(replace(total_price_cap, '.', '')) <= 1 AND total_price_cap <> '.' AND (instr(total_price_cap, '.') = 0 OR (instr(total_price_cap, '.') > 1 AND length(total_price_cap) > instr(total_price_cap, '.') AND length(total_price_cap) - instr(total_price_cap, '.') <= 2))),
  note TEXT,
  status TEXT NOT NULL CHECK (status IN ('PENDING_DELIVERY', 'DELIVERED', 'ACKNOWLEDGED', 'EXECUTING', 'FENCED', 'CONSUMED', 'SUPERSEDED', 'EXPIRED')),
  created_by TEXT NOT NULL,
  created_at TEXT NOT NULL,
  expires_at TEXT NOT NULL,
  UNIQUE (task_id, version),
  UNIQUE (task_id, id),
  FOREIGN KEY (task_id, spec_trial_id) REFERENCES spec_trials(task_id, id)
);

CREATE TABLE order_submissions (
  id TEXT PRIMARY KEY,
  task_id TEXT NOT NULL REFERENCES tasks(id),
  authorization_id TEXT NOT NULL REFERENCES order_authorizations(id),
  command_id TEXT NOT NULL,
  dry_run_id TEXT NOT NULL,
  status TEXT NOT NULL CHECK (status IN ('FENCED', 'SUBMITTED', 'RECONCILIATION_REQUIRED', 'MANUAL_RESOLVED')),
  verified_unit_price TEXT NOT NULL CHECK (verified_unit_price <> '' AND verified_unit_price NOT GLOB '*[^0-9.]*' AND length(verified_unit_price) - length(replace(verified_unit_price, '.', '')) <= 1 AND verified_unit_price <> '.' AND (instr(verified_unit_price, '.') = 0 OR (instr(verified_unit_price, '.') > 1 AND length(verified_unit_price) > instr(verified_unit_price, '.') AND length(verified_unit_price) - instr(verified_unit_price, '.') <= 2))),
  quantity_read INTEGER NOT NULL CHECK (quantity_read > 0 AND typeof(quantity_read) = 'integer'),
  confirm_page_amount TEXT NOT NULL CHECK (confirm_page_amount <> '' AND confirm_page_amount NOT GLOB '*[^0-9.]*' AND length(confirm_page_amount) - length(replace(confirm_page_amount, '.', '')) <= 1 AND confirm_page_amount <> '.' AND (instr(confirm_page_amount, '.') = 0 OR (instr(confirm_page_amount, '.') > 1 AND length(confirm_page_amount) > instr(confirm_page_amount, '.') AND length(confirm_page_amount) - instr(confirm_page_amount, '.') <= 2))),
  created_at TEXT NOT NULL,
  resolved_at TEXT,
  UNIQUE (authorization_id),
  UNIQUE (command_id),
  FOREIGN KEY (task_id, authorization_id) REFERENCES order_authorizations(task_id, id)
);