//! 补全缺失权限码注册
//!
//! CI check-permissions.sh 发现 23 个后端 handler 已使用但 seed 迁移未注册的权限码。
//! 本迁移统一补注册到 permissions 表，并绑定 admin 角色。

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 sys = "00000000-0000-0000-0000-000000000000";

        // (code, name, resource, action)
        let permissions: &[(&str, &str, &str, &str)] = &[
            // AI 模块
            ("ai.analysis.list", "查看 AI 分析", "ai", "analysis.list"),
            (
                "ai.analysis.manage",
                "管理 AI 分析",
                "ai",
                "analysis.manage",
            ),
            ("ai.prompt.list", "查看 AI 提示词", "ai", "prompt.list"),
            ("ai.prompt.manage", "管理 AI 提示词", "ai", "prompt.manage"),
            (
                "ai.provider.manage",
                "管理 AI Provider",
                "ai",
                "provider.manage",
            ),
            (
                "ai.suggestion.list",
                "查看 AI 建议",
                "ai",
                "suggestion.list",
            ),
            (
                "ai.suggestion.manage",
                "管理 AI 建议",
                "ai",
                "suggestion.manage",
            ),
            ("ai.usage.list", "查看 AI 用量", "ai", "usage.list"),
            // Copilot
            (
                "copilot.insights.list",
                "查看 Copilot 洞察",
                "copilot",
                "insights.list",
            ),
            (
                "copilot.insights.manage",
                "管理 Copilot 洞察",
                "copilot",
                "insights.manage",
            ),
            ("copilot.risk.view", "查看风险快照", "copilot", "risk.view"),
            (
                "copilot.rules.list",
                "查看 Copilot 规则",
                "copilot",
                "rules.list",
            ),
            (
                "copilot.rules.manage",
                "管理 Copilot 规则",
                "copilot",
                "rules.manage",
            ),
            // Health — IoT/设备
            (
                "health.ble-gateways.manage",
                "管理 BLE 网关",
                "health",
                "ble-gateways.manage",
            ),
            (
                "health.critical-alerts.manage",
                "管理危急值告警",
                "health",
                "critical-alerts.manage",
            ),
            (
                "health.critical-value-thresholds.manage",
                "管理危急值阈值",
                "health",
                "critical-value-thresholds.manage",
            ),
            (
                "health.device-readings.manage",
                "管理设备读数",
                "health",
                "device-readings.manage",
            ),
            (
                "health.devices.manage",
                "管理患者设备",
                "health",
                "devices.manage",
            ),
            (
                "health.medication-reminders.manage",
                "管理药物提醒",
                "health",
                "medication-reminders.manage",
            ),
            // Health — 其他
            (
                "health.family-proxy.list",
                "查看家庭健康代理",
                "health",
                "family-proxy.list",
            ),
            (
                "health.family-proxy.manage",
                "管理家庭健康代理",
                "health",
                "family-proxy.manage",
            ),
            (
                "health.oauth.manage",
                "管理 OAuth 合作方",
                "health",
                "oauth.manage",
            ),
            (
                "health.shifts.manage",
                "管理班次",
                "health",
                "shifts.manage",
            ),
            // Plugin / Tenant
            ("plugin.admin", "插件管理", "plugin", "admin"),
            ("plugin.list", "查看插件列表", "plugin", "list"),
            ("tenant.manage", "租户管理", "tenant", "manage"),
        ];

        for &(code, name, resource, action) in permissions {
            db.execute_unprepared(&format!(
                r#"
                INSERT INTO permissions (id, tenant_id, code, name, resource, action, description,
                                         created_at, updated_at, created_by, updated_by, deleted_at, version)
                SELECT gen_random_uuid(), t.id, '{code}', '{name}', '{resource}', '{action}', '{name}',
                       NOW(), NOW(), '{sys}', '{sys}', NULL, 1
                FROM tenant t
                WHERE NOT EXISTS (
                    SELECT 1 FROM permissions p
                    WHERE p.code = '{code}' AND p.tenant_id = t.id AND p.deleted_at IS NULL
                )
                "#
            )).await?;
        }

        // 绑定所有新权限到 admin 角色
        let codes: Vec<&str> = permissions.iter().map(|p| p.0).collect();
        let codes_sql = codes
            .iter()
            .map(|c| format!("'{c}'"))
            .collect::<Vec<_>>()
            .join(", ");

        db.execute_unprepared(&format!(
            r#"
            INSERT INTO role_permissions (role_id, permission_id, tenant_id, created_by, updated_by, version)
            SELECT r.id, p.id, t.id, r.id, r.id, 1
            FROM tenant t
            JOIN roles r ON r.tenant_id = t.id AND r.code = 'admin' AND r.deleted_at IS NULL
            JOIN permissions p ON p.tenant_id = t.id
                AND p.code IN ({codes_sql})
                AND p.deleted_at IS NULL
            WHERE NOT EXISTS (
                SELECT 1 FROM role_permissions rp
                WHERE rp.permission_id = p.id AND rp.role_id = r.id
            )
            "#
        )).await?;

        Ok(())
    }

    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        let db = manager.get_connection();

        let codes = [
            "ai.analysis.list",
            "ai.analysis.manage",
            "ai.prompt.list",
            "ai.prompt.manage",
            "ai.provider.manage",
            "ai.suggestion.list",
            "ai.suggestion.manage",
            "ai.usage.list",
            "copilot.insights.list",
            "copilot.insights.manage",
            "copilot.risk.view",
            "copilot.rules.list",
            "copilot.rules.manage",
            "health.ble-gateways.manage",
            "health.critical-alerts.manage",
            "health.critical-value-thresholds.manage",
            "health.device-readings.manage",
            "health.devices.manage",
            "health.family-proxy.list",
            "health.family-proxy.manage",
            "health.medication-reminders.manage",
            "health.oauth.manage",
            "health.shifts.manage",
            "plugin.admin",
            "plugin.list",
            "tenant.manage",
        ];
        let codes_sql = codes
            .iter()
            .map(|c| format!("'{c}'"))
            .collect::<Vec<_>>()
            .join(", ");

        db.execute_unprepared(&format!(
            "DELETE FROM role_permissions WHERE permission_id IN \
             (SELECT id FROM permissions WHERE code IN ({codes_sql}))"
        ))
        .await
        .ok();

        db.execute_unprepared(&format!(
            "DELETE FROM permissions WHERE code IN ({codes_sql})"
        ))
        .await
        .ok();

        Ok(())
    }
}