//! 15 条 Copilot 内置规则种子数据
//!
//! 覆盖 spec §3.1 的 5 大类：体征异常(4)、化验异常(4)、依从性(2)、透析质量(3)、综合(2)
//! 所有规则 tenant_id = nil（系统级规则，适用于所有机构）

use sea_orm_migration::prelude::*;

#[derive(DeriveMigrationName)]
pub struct Migration;

#[async_trait::async_trait]
impl MigrationTrait for Migration {
    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        let db = manager.get_connection();
        let nil_tenant = "00000000-0000-0000-0000-000000000000";

        // 15 条内置 Copilot 规则 (使用固定 UUID)
        // (id_suffix, name, category, condition_expr, score, severity, suggestion, sort_order)
        let rules: &[(i32, &str, &str, &str, i16, &str, &str, i32)] = &[
            // 体征异常
            (
                1,
                "血压持续偏高",
                "vital_signs",
                r#"{"and":[{"=": [{"var":"vital_signs.systolic_bp_morning.count_gte_140"}, 3]}]}"#,
                2,
                "warning",
                "建议增加血压监测频率并评估降压方案",
                1,
            ),
            (
                2,
                "舒张压持续偏高",
                "vital_signs",
                r#"{"and":[{"=": [{"var":"vital_signs.diastolic_bp_morning.count_gte_90"}, 3]}]}"#,
                1,
                "info",
                "持续舒张压偏高，建议关注并记录血压变化",
                2,
            ),
            (
                3,
                "体重周增幅过大",
                "vital_signs",
                r#"{">": [{"var":"vital_signs.weight.weekly_change_kg"}, 2]}"#,
                2,
                "warning",
                "体重周增幅超过2kg，建议评估水钠潴留情况",
                3,
            ),
            (
                4,
                "心动过速",
                "vital_signs",
                r#"{">": [{"var":"vital_signs.heart_rate.latest"}, 100]}"#,
                1,
                "info",
                "心率超过100次/分，建议进一步评估原因",
                4,
            ),
            // 化验异常
            (
                5,
                "eGFR下降",
                "lab",
                r#"{"<": [{"var":"lab_reports.egfr.latest"}, 60]}"#,
                3,
                "warning",
                "eGFR<60提示肾功能受损，建议调整透析方案",
                5,
            ),
            (
                6,
                "高钾血症风险",
                "lab",
                r#"{">": [{"var":"lab_reports.potassium.latest"}, 5.5]}"#,
                4,
                "critical",
                "立即通知主治医生，评估紧急透析需求",
                6,
            ),
            (
                7,
                "肌酐快速上升",
                "lab",
                r#"{">": [{"var":"lab_reports.creatinine.change_pct"}, 20]}"#,
                3,
                "warning",
                "肌酐环比增幅超过20%，建议评估急性肾损伤可能",
                7,
            ),
            (
                8,
                "血磷偏高",
                "lab",
                r#"{">": [{"var":"lab_reports.phosphorus.latest"}, 1.5]}"#,
                2,
                "warning",
                "血磷>1.5mmol/L，建议调整磷结合剂用量",
                8,
            ),
            // 依从性
            (
                9,
                "随访失约过多",
                "compliance",
                r#"{">": [{"var":"follow_up.missed_count"}, 2]}"#,
                1,
                "info",
                "近期随访失约超过2次，建议主动联系患者",
                9,
            ),
            (
                10,
                "药物依从性不足",
                "compliance",
                r#"{"<": [{"var":"medication.adherence_rate"}, 80]}"#,
                2,
                "warning",
                "药物依从性低于80%，建议加强用药教育",
                10,
            ),
            // 透析质量
            (
                11,
                "Kt/V不达标",
                "dialysis",
                r#"{"<": [{"var":"dialysis.kt_v.latest"}, 1.2]}"#,
                2,
                "warning",
                "Kt/V<1.2，建议评估透析充分性并调整透析参数",
                11,
            ),
            (
                12,
                "透析间期体重增长过多",
                "dialysis",
                r#"{">": [{"var":"dialysis.interdialytic_weight_gain_pct"}, 5]}"#,
                3,
                "warning",
                "透析间期体重增长超过5%，建议加强液体管理教育",
                12,
            ),
            (
                13,
                "透析前收缩压过高",
                "dialysis",
                r#"{">": [{"var":"dialysis.pre_systolic.latest"}, 180]}"#,
                3,
                "warning",
                "透析前收缩压>180mmHg，建议评估降压方案",
                13,
            ),
            // 综合规则
            (
                14,
                "肾功能恶化伴高钾",
                "composite",
                r#"{"and":[{"<": [{"var":"lab_reports.egfr.latest"}, 60]},{">": [{"var":"lab_reports.potassium.latest"}, 5.5]}]}"#,
                5,
                "critical",
                "eGFR下降且高钾血症，建议紧急评估并考虑紧急透析",
                14,
            ),
            (
                15,
                "血压急剧升高伴肾功能恶化",
                "composite",
                r#"{"and":[{">": [{"var":"vital_signs.systolic_bp_morning.latest"}, 160]},{">": [{"var":"lab_reports.creatinine.change_pct"}, 20]}]}"#,
                4,
                "critical",
                "血压急剧升高且肌酐快速上升，建议紧急评估并调整治疗方案",
                15,
            ),
        ];

        for &(idx, name, category, cond, score, severity, suggestion, sort) in rules {
            // 生成确定性 UUID: copilot-rule-XXXX 前缀
            let id = format!("c0000000-0000-0000-0000-{:012}", idx);
            let sql = format!(
                r#"INSERT INTO copilot_rules (id, tenant_id, name, category, condition_expr, score, severity, suggestion, enabled, sort_order, created_at, updated_at, version_lock)
                VALUES ('{}', '{}', $1, $2, $3::jsonb, $4, $5, $6, true, $7, NOW(), NOW(), 1)"#,
                id, nil_tenant
            );
            db.execute(sea_orm::Statement::from_sql_and_values(
                sea_orm::DatabaseBackend::Postgres,
                sql,
                [
                    name.into(),
                    category.into(),
                    cond.into(),
                    score.into(),
                    severity.into(),
                    suggestion.into(),
                    sort.into(),
                ],
            ))
            .await?;
        }

        Ok(())
    }

    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        let db = manager.get_connection();
        db.execute(sea_orm::Statement::from_sql_and_values(
            sea_orm::DatabaseBackend::Postgres,
            "DELETE FROM copilot_rules WHERE tenant_id = '00000000-0000-0000-0000-000000000000'",
            [],
        ))
        .await?;
        Ok(())
    }
}