-- 019_rock_purchase_logs.sql
-- 采购流水：每一次进入采购流程的尝试（含降级、跳过、失败）都留一条主记录，
-- 每个上游接口调用在阶段表里保留原始请求/响应，便于对账与排障。
-- 注意：只记录请求体，不记录任何请求头，避免 Bearer Token 落库。

CREATE TABLE IF NOT EXISTS rock_purchase_logs (
    id                 BIGSERIAL PRIMARY KEY,
    trigger_type       VARCHAR(16)  NOT NULL DEFAULT 'auto',   -- auto / manual
    status             VARCHAR(16)  NOT NULL DEFAULT 'running',-- running / success / partial / failed / skipped
    requested_count    INTEGER      NOT NULL DEFAULT 0,        -- 原计划（批次值或手动输入）
    planned_count      INTEGER      NOT NULL DEFAULT 0,        -- 降级后的实际计划数
    claimed_count      INTEGER      NOT NULL DEFAULT 0,        -- 上游实际返回数
    imported_count     INTEGER      NOT NULL DEFAULT 0,        -- 本地实际入库数
    upstream_available INTEGER      NOT NULL DEFAULT 0,        -- 采购时上游可用库存
    points_before      NUMERIC(12,2) NOT NULL DEFAULT 0.00,    -- 采购前积分
    unit_cost          NUMERIC(12,2) NOT NULL DEFAULT 0.00,    -- 采购单价
    max_by_points      INTEGER      NOT NULL DEFAULT 0,        -- 积分可买上限
    max_by_stock       INTEGER      NOT NULL DEFAULT 0,        -- 上游库存可买上限
    limit_reason       VARCHAR(32)  NOT NULL DEFAULT '',       -- points / upstream_stock / points_and_stock
    points_source      VARCHAR(16)  NOT NULL DEFAULT '',       -- live / snapshot
    stage              VARCHAR(32)  NOT NULL DEFAULT '',       -- me / dashboard / claim / package / detail / import
    error_message      TEXT         NOT NULL DEFAULT '',
    package_id         BIGINT,
    share_code         VARCHAR(64)  NOT NULL DEFAULT '',
    duration_ms        INTEGER      NOT NULL DEFAULT 0,
    started_at         TIMESTAMPTZ  NOT NULL DEFAULT now(),
    finished_at        TIMESTAMPTZ,
    created_at         TIMESTAMPTZ  NOT NULL DEFAULT now()
);

CREATE INDEX IF NOT EXISTS idx_rock_purchase_logs_created_at
    ON rock_purchase_logs (created_at DESC);
CREATE INDEX IF NOT EXISTS idx_rock_purchase_logs_trigger_status
    ON rock_purchase_logs (trigger_type, status);

CREATE TABLE IF NOT EXISTS rock_purchase_stages (
    id             BIGSERIAL PRIMARY KEY,
    log_id         BIGINT      NOT NULL REFERENCES rock_purchase_logs(id) ON DELETE CASCADE,
    seq            INTEGER     NOT NULL DEFAULT 0,
    stage          VARCHAR(32) NOT NULL,
    method         VARCHAR(8)  NOT NULL DEFAULT '',
    url            TEXT        NOT NULL DEFAULT '',
    request_body   TEXT        NOT NULL DEFAULT '',
    http_status    INTEGER     NOT NULL DEFAULT 0,
    response_body  TEXT        NOT NULL DEFAULT '',
    truncated      BOOLEAN     NOT NULL DEFAULT false,
    duration_ms    INTEGER     NOT NULL DEFAULT 0,
    error_message  TEXT        NOT NULL DEFAULT '',
    created_at     TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE INDEX IF NOT EXISTS idx_rock_purchase_stages_log_id
    ON rock_purchase_stages (log_id, seq);