package dao

import (
	"context"
	"fmt"

	"git.x2erp.com/qdy/go-svc-configure/internal/tables"
	"github.com/jmoiron/sqlx"
)

// CreateRole 创建角色
func CreateRole(ctx context.Context, tx *sqlx.Tx, roleID, name, description, creator string) (int64, error) {
	id := fmt.Sprintf("role.%s", roleID)

	query := `
		INSERT INTO config_role 
		(id, role_id, name, description, creator, created_at)
		VALUES (?, ?, ?, ?, ?, CURRENT_TIMESTAMP)
	`

	result, err := tx.ExecContext(ctx, query, id, roleID, name, description, creator)
	if err != nil {
		return -1, fmt.Errorf("创建角色失败: %v", err)
	}

	return ValidateResultRowsAffected(result, err, 1)
}

// GetRoleByRoleID 根据角色ID查询角色
func GetRoleByRoleID(ctx context.Context, db *sqlx.DB, roleID string) (*tables.RoleDB, error) {
	var role tables.RoleDB

	query := `
		SELECT id, role_id, name, description, creator, created_at
		FROM config_role 
		WHERE role_id = ?
	`

	err := db.GetContext(ctx, &role, query, roleID)
	if err != nil {
		return nil, fmt.Errorf("查询角色失败: %v", err)
	}

	return &role, nil
}

// ListRoles 查询角色列表
func ListRoles(ctx context.Context, db *sqlx.DB) ([]tables.RoleDB, error) {
	var roles []tables.RoleDB

	query := `
		SELECT id, role_id, name, description, creator, created_at
		FROM config_role 
		ORDER BY created_at DESC
	`

	err := db.SelectContext(ctx, &roles, query)
	if err != nil {
		return nil, fmt.Errorf("查询角色列表失败: %v", err)
	}

	return roles, nil
}

// UpdateRole 更新角色信息
func UpdateRole(ctx context.Context, tx *sqlx.Tx, roleID, name, description string) (int64, error) {
	query := `
		UPDATE config_role 
		SET name = ?, description = ?
		WHERE role_id = ?
	`

	result, err := tx.ExecContext(ctx, query, name, description, roleID)
	if err != nil {
		return -1, fmt.Errorf("更新角色失败: %v", err)
	}

	return ValidateResultRowsAffected(result, err, 1)
}

// DeleteRole 删除角色
func DeleteRole(ctx context.Context, tx *sqlx.Tx, roleID string) (int64, error) {
	query := `DELETE FROM config_role WHERE role_id = ?`

	result, err := tx.ExecContext(ctx, query, roleID)
	if err != nil {
		return -1, fmt.Errorf("删除角色失败: %v", err)
	}

	return ValidateResultRowsAffected(result, err, 1)
}

// CheckRoleExists 检查角色是否存在
func CheckRoleExists(ctx context.Context, db *sqlx.DB, roleID string) (bool, error) {
	var count int
	query := `SELECT COUNT(*) FROM config_role WHERE role_id = ?`

	err := db.GetContext(ctx, &count, query, roleID)
	if err != nil {
		return false, fmt.Errorf("检查角色存在性失败: %v", err)
	}

	return count > 0, nil
}