package auth

import (
	"context"
	"database/sql"

	"hyapp/pkg/appcode"
	"hyapp/pkg/xerr"
	authdomain "hyapp/services/user-service/internal/domain/auth"
	identitystorage "hyapp/services/user-service/internal/storage/mysql/identity"
)

func (r *Repository) SetPassword(ctx context.Context, account authdomain.PasswordAccount) error {
	// password_accounts 以 user_id 唯一，v1 只允许首次设置密码。
	_, err := r.db.ExecContext(ctx, `
		INSERT INTO password_accounts (app_code, user_id, password_hash, hash_alg, created_at_ms, updated_at_ms)
		VALUES (?, ?, ?, ?, ?, ?)
	`, appcode.Normalize(account.AppCode), account.UserID, account.PasswordHash, account.HashAlg, account.CreatedAtMs, account.UpdatedAtMs)
	if err != nil {
		// 唯一键冲突映射为 PASSWORD_ALREADY_SET。
		return mapAuthDuplicateError(err)
	}

	return nil
}

// FindPasswordByDisplayUserID 通过当前 active display_user_id 查找用户密码身份。

func (r *Repository) FindPasswordByDisplayUserID(ctx context.Context, displayUserID string, nowMs int64) (authdomain.PasswordAccount, error) {
	// 密码登录前先按输入短号触发靓号懒过期。
	if err := identitystorage.ExpirePrettyByDisplayUserID(ctx, r.db, displayUserID, nowMs, "lazy_password_login"); err != nil {
		return authdomain.PasswordAccount{}, err
	}

	var account authdomain.PasswordAccount
	err := r.db.QueryRowContext(ctx, `
		SELECT pa.app_code, pa.user_id, u.current_display_user_id, pa.password_hash, pa.hash_alg, pa.created_at_ms, pa.updated_at_ms
		FROM users u
		INNER JOIN password_accounts pa ON pa.app_code = u.app_code AND pa.user_id = u.user_id
		WHERE u.app_code = ? AND u.current_display_user_id = ?
	`, appcode.FromContext(ctx), displayUserID).Scan(&account.AppCode, &account.UserID, &account.DisplayUserID, &account.PasswordHash, &account.HashAlg, &account.CreatedAtMs, &account.UpdatedAtMs)
	if err == sql.ErrNoRows {
		// 短号不存在或未设置密码都返回 not found，由 service 统一映射 AUTH_FAILED。
		return authdomain.PasswordAccount{}, xerr.New(xerr.NotFound, "password account not found")
	}
	if err != nil {
		return authdomain.PasswordAccount{}, err
	}

	return account, nil
}

// CreateSession 创建新的 refresh session。