namespace SimpleAdmin.Application;

public class OnboardingAuditService : IOnboardingAuditService
{
    private readonly SqlSugarScope _db;
    private readonly IConfigService _config;
    private readonly IOnboardingContractSnapshotService _snapshotService;

    public OnboardingAuditService(
        IConfigService config,
        IOnboardingContractSnapshotService snapshotService)
    {
        _db = DbContext.DB;
        _config = config;
        _snapshotService = snapshotService;
    }

    public async Task Approve(OnboardingAuditActionInput input)
    {
        var task = await GetAuditableTask(input.TaskId);
        var employeeInfo = await _db.Queryable<ObTaskEmployeeInfo>()
            .FirstAsync(item => item.TaskId == task.Id)
            ?? throw Oops.Bah("候选人资料不存在");

        var hasMaterialNeedSupplement = await _db.Queryable<ObTaskMaterial>()
            .AnyAsync(item => item.TaskId == task.Id
                              && item.ReviewStatus == TaskMaterialReviewStatus.NeedSupplement);
        if (hasMaterialNeedSupplement)
        {
            throw Oops.Bah("仍有资料需要补充，不能审核通过");
        }

        var hasExistingEmployee = await _db.Queryable<ObEmployee>()
            .AnyAsync(item => item.IdCardNumber == employeeInfo.IdCardNumber || item.Phone == employeeInfo.Phone);
        if (hasExistingEmployee)
        {
            throw Oops.Bah("该身份证号或手机号已存在正式员工");
        }

        var extraValues = await _db.Queryable<ObTaskFormValue>()
            .Where(item => item.TaskId == task.Id)
            .ToListAsync();
        var employee = employeeInfo.Adapt<ObEmployee>();
        employee.Id = global::SimpleAdmin.Core.Utils.CommonUtils.GetSingleId();
        employee.CompanyId = task.CompanyId;
        employee.PositionId = task.PositionId;
        employee.ExtraInfoJson = global::System.Text.Json.JsonSerializer.Serialize(extraValues);

        await _db.Ado.BeginTranAsync();
        try
        {
            await _snapshotService.Build(task.Id, employeeInfo);
            await _db.Insertable(employee).ExecuteCommandAsync();

            task.EmployeeId = employee.Id;
            task.TaskStatus = OnboardingTaskStatus.Approved;
            task.AuditedAt = DateTime.Now;
            await _db.Updateable(task).ExecuteCommandAsync();
            await WriteAudit(task, OnboardingAuditAction.Approve, input.AuditOpinion);
            await _db.Ado.CommitTranAsync();
        }
        catch
        {
            await _db.Ado.RollbackTranAsync();
            throw;
        }
    }

    public async Task Reject(OnboardingAuditActionInput input)
    {
        if (string.IsNullOrWhiteSpace(input.AuditOpinion))
        {
            throw Oops.Bah("请填写退回原因");
        }

        var task = await GetAuditableTask(input.TaskId);
        task.TaskStatus = OnboardingTaskStatus.Rejected;
        task.RejectReason = input.AuditOpinion;
        await _db.Updateable(task).ExecuteCommandAsync();
        await WriteAudit(task, OnboardingAuditAction.Reject, input.AuditOpinion);
    }

    private async Task<ObOnboardingTask> GetAuditableTask(long taskId)
    {
        var task = await _db.Queryable<ObOnboardingTask>().InSingleAsync(taskId)
            ?? throw Oops.Bah("入职任务不存在");
        if (task.TaskStatus != OnboardingTaskStatus.Reviewing)
        {
            throw Oops.Bah("当前任务不在审核中");
        }

        var config = await _config.GetByConfigKey(CateGoryConst.CONFIG_BIZ_DEFINE, "onboard.reviewer.userIds")
            ?? throw Oops.Bah("请配置入职审核人");
        using var configJson = global::System.Text.Json.JsonDocument.Parse(config.ConfigValue);
        var reviewerIds = new List<long>();
        if (configJson.RootElement.TryGetProperty("all", out var allReviewers))
        {
            reviewerIds.AddRange(allReviewers.EnumerateArray().Select(item => item.GetInt64()));
        }

        if (configJson.RootElement.TryGetProperty("company", out var companyReviewers)
            && companyReviewers.TryGetProperty(task.CompanyId.ToString(), out var reviewers))
        {
            reviewerIds.AddRange(reviewers.EnumerateArray().Select(item => item.GetInt64()));
        }

        if (!reviewerIds.Contains(UserManager.UserId))
        {
            throw Oops.Bah("您不是该入职任务的审核人");
        }

        return task;
    }

    private Task WriteAudit(ObOnboardingTask task, string action, string opinion)
    {
        return _db.Insertable(new ObTaskAudit
        {
            Id = global::SimpleAdmin.Core.Utils.CommonUtils.GetSingleId(),
            TaskId = task.Id,
            AuditRound = task.SubmitCount,
            AuditAction = action,
            AuditorUserId = UserManager.UserId,
            AuditOpinion = opinion,
            AuditedAt = DateTime.Now
        }).ExecuteCommandAsync();
    }
}