using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Tiku.Api.Contracts;
using Tiku.Application.PlatformAdmin;
using Tiku.Application.Security;
using Tiku.Domain.Platform;

namespace Tiku.Api.Controllers;

[ApiController]
[Authorize(Policy = BackendPermissions.PlatformDashboardView)]
[Produces("application/json")]
[Route("api/platform-admin")]
public sealed class PlatformAdminController(
    IPlatformAdminService platformAdminService,
    ICurrentUser currentUser) : ControllerBase
{
    [HttpGet("overview")]
    [EndpointSummary("查询平台经营概览")]
    [ProducesResponseType<PlatformOverview>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformOverview>> Overview(CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.GetOverviewAsync(ResolveActor(), cancellationToken));
    }

    [HttpGet("tenants")]
    [Authorize(Policy = BackendPermissions.PlatformTenantManage)]
    [EndpointSummary("查询平台租户列表")]
    [ProducesResponseType<PlatformTenantList>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformTenantList>> Tenants(
        [FromQuery] PlatformAdminQueryDto query,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.GetTenantsAsync(ResolveActor(), query.ToQuery(), cancellationToken));
    }

    [HttpPost("tenants")]
    [Authorize(Policy = BackendPermissions.PlatformTenantManage)]
    [EndpointSummary("创建平台租户")]
    [ProducesResponseType<PlatformTenantItem>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformTenantItem>> CreateTenant(
        CreatePlatformTenantDto request,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.CreateTenantAsync(ResolveActor(), request.ToCommand(), cancellationToken));
    }

    [HttpGet("tenants/detail")]
    [Authorize(Policy = BackendPermissions.PlatformTenantManage)]
    [EndpointSummary("查询平台租户详情")]
    [ProducesResponseType<PlatformTenantDetail>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformTenantDetail>> TenantDetail(
        [FromQuery] Guid tenantId,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.GetTenantDetailAsync(ResolveActor(), tenantId, cancellationToken));
    }

    [HttpPatch("tenants/status")]
    [Authorize(Policy = BackendPermissions.PlatformTenantManage)]
    [EndpointSummary("更新租户业务与账务状态")]
    [ProducesResponseType<PlatformTenantItem>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformTenantItem>> TenantStatus(
        UpdatePlatformTenantStatusDto request,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.UpdateTenantStatusAsync(ResolveActor(), request.ToCommand(), cancellationToken));
    }

    [HttpPut("tenants/billing-profile")]
    [Authorize(Policy = BackendPermissions.PlatformTenantManage)]
    [EndpointSummary("保存租户账务与开票资料")]
    [ProducesResponseType<TenantBillingProfileItem>(StatusCodes.Status200OK)]
    public async Task<ActionResult<TenantBillingProfileItem>> BillingProfile(
        UpsertPlatformTenantBillingProfileDto request,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.UpsertTenantBillingProfileAsync(ResolveActor(), request.ToCommand(), cancellationToken));
    }

    [HttpGet("plans")]
    [Authorize(Policy = BackendPermissions.PlatformTenantManage)]
    [EndpointSummary("查询平台 SaaS 套餐")]
    [ProducesResponseType<PlatformPlanList>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformPlanList>> Plans(
        [FromQuery] PlatformAdminQueryDto query,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.GetPlansAsync(ResolveActor(), query.ToQuery(), cancellationToken));
    }

    [HttpPut("plans/{planCode}/modules")]
    [Authorize(Policy = BackendPermissions.PlatformTenantManage)]
    [EndpointSummary("替换 SaaS 套餐模块权益")]
    [ProducesResponseType<PlatformPlanModuleEntitlements>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformPlanModuleEntitlements>> ReplacePlanModules(
        string planCode,
        ReplacePlatformPlanModulesDto request,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.ReplacePlanModulesAsync(
            ResolveActor(), request.ToCommand(planCode), cancellationToken));
    }

    [HttpPost("subscriptions")]
    [Authorize(Policy = BackendPermissions.PlatformTenantManage)]
    [EndpointSummary("创建或调整租户订阅")]
    [ProducesResponseType<PlatformTenantSubscriptionItem>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformTenantSubscriptionItem>> UpsertSubscription(
        UpsertPlatformSubscriptionDto request,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.UpsertSubscriptionAsync(ResolveActor(), request.ToCommand(), cancellationToken));
    }

    [HttpPut("tenants/{tenantId:guid}/module-overrides/{moduleCode}")]
    [Authorize(Policy = BackendPermissions.PlatformTenantManage)]
    [EndpointSummary("设置租户模块覆盖")]
    [ProducesResponseType<PlatformTenantModuleOverrideItem>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformTenantModuleOverrideItem>> UpsertTenantModuleOverride(
        Guid tenantId,
        string moduleCode,
        UpsertPlatformTenantModuleOverrideDto request,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.UpsertTenantModuleOverrideAsync(
            ResolveActor(), request.ToCommand(tenantId, moduleCode), cancellationToken));
    }

    [HttpGet("domains")]
    [Authorize(Policy = BackendPermissions.PlatformTenantManage)]
    [EndpointSummary("查询租户域名状态")]
    [ProducesResponseType<PlatformDomainList>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformDomainList>> Domains(
        [FromQuery] PlatformAdminQueryDto query,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.GetDomainsAsync(ResolveActor(), query.ToQuery(), cancellationToken));
    }

    [HttpPost("domains/{domainId:guid}/recheck")]
    [Authorize(Policy = BackendPermissions.PlatformTenantManage)]
    [EndpointSummary("重新触发租户域名 DNS/TLS 验证")]
    [ProducesResponseType<PlatformDomainRecheckResult>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformDomainRecheckResult>> RecheckDomain(
        Guid domainId,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.RecheckDomainAsync(ResolveActor(), domainId, cancellationToken));
    }

    [HttpGet("staff")]
    [Authorize(Policy = BackendPermissions.PlatformStaffManage)]
    [EndpointSummary("查询平台员工列表")]
    [ProducesResponseType<PlatformStaffList>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformStaffList>> Staff(
        [FromQuery] PlatformAdminQueryDto query,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.GetStaffAsync(ResolveActor(), query.ToQuery(), cancellationToken));
    }

    [HttpPut("staff")]
    [Authorize(Policy = BackendPermissions.PlatformStaffManage)]
    [EndpointSummary("创建或更新平台员工")]
    [ProducesResponseType<PlatformStaffItem>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformStaffItem>> UpsertStaff(
        UpsertPlatformStaffDto request,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.UpsertStaffAsync(ResolveActor(), request.ToCommand(), cancellationToken));
    }

    [HttpPatch("staff/status")]
    [Authorize(Policy = BackendPermissions.PlatformStaffManage)]
    [EndpointSummary("启用或禁用平台员工")]
    [ProducesResponseType<PlatformStaffItem>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformStaffItem>> StaffStatus(
        UpdatePlatformStaffStatusDto request,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.UpdateStaffStatusAsync(ResolveActor(), request.ToCommand(), cancellationToken));
    }

    [HttpGet("audit-logs")]
    [Authorize(Policy = BackendPermissions.PlatformAuditView)]
    [EndpointSummary("查询平台审计日志")]
    [ProducesResponseType<PlatformAuditLogList>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformAuditLogList>> AuditLogs(
        [FromQuery] PlatformAdminQueryDto query,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.GetAuditLogsAsync(ResolveActor(), query.ToQuery(), cancellationToken));
    }

    [HttpGet("audit-alerts")]
    [Authorize(Policy = BackendPermissions.PlatformAuditView)]
    [EndpointSummary("查询平台审计告警")]
    [ProducesResponseType<PlatformAuditAlertList>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformAuditAlertList>> AuditAlerts(
        [FromQuery] PlatformAdminQueryDto query,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.GetAuditAlertsAsync(ResolveActor(), query.ToQuery(), cancellationToken));
    }

    [HttpPost("audit-alerts/status")]
    [Authorize(Policy = BackendPermissions.PlatformAuditView)]
    [EndpointSummary("更新平台审计告警状态")]
    [ProducesResponseType<PlatformAuditAlert>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformAuditAlert>> AuditAlertStatus(
        UpdatePlatformAuditAlertStatusDto request,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.UpdateAuditAlertStatusAsync(ResolveActor(), request.ToCommand(), cancellationToken));
    }

    [HttpGet("dunning-notification-channels")]
    [Authorize(Policy = BackendPermissions.PlatformBillingNotification)]
    [EndpointSummary("查询平台催缴通知渠道")]
    [ProducesResponseType<PlatformDunningChannelList>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformDunningChannelList>> DunningChannels(
        [FromQuery] PlatformAdminQueryDto query,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.GetDunningChannelsAsync(ResolveActor(), query.ToQuery(), cancellationToken));
    }

    [HttpPut("dunning-notification-channels")]
    [Authorize(Policy = BackendPermissions.PlatformBillingNotification)]
    [EndpointSummary("创建或更新平台催缴通知渠道")]
    [ProducesResponseType<PlatformDunningChannelItem>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformDunningChannelItem>> UpsertDunningChannel(
        UpsertPlatformDunningChannelDto request,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.UpsertDunningChannelAsync(ResolveActor(), request.ToCommand(), cancellationToken));
    }

    [HttpPost("dunning-notification-channels/disable")]
    [Authorize(Policy = BackendPermissions.PlatformBillingNotification)]
    [EndpointSummary("禁用平台催缴通知渠道")]
    [ProducesResponseType<PlatformDunningChannelItem>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformDunningChannelItem>> DisableDunningChannel(
        DisablePlatformDunningChannelDto request,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.DisableDunningChannelAsync(ResolveActor(), request.ToCommand(), cancellationToken));
    }

    [HttpGet("dunning-notification-events")]
    [Authorize(Policy = BackendPermissions.PlatformBillingNotification)]
    [EndpointSummary("查询平台催缴通知事件")]
    [ProducesResponseType<PlatformDunningEventList>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformDunningEventList>> DunningEvents(
        [FromQuery] PlatformAdminQueryDto query,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.GetDunningEventsAsync(ResolveActor(), query.ToQuery(), cancellationToken));
    }

    [HttpGet("dunning-notification-events/detail")]
    [Authorize(Policy = BackendPermissions.PlatformBillingNotification)]
    [EndpointSummary("查询平台催缴通知事件详情")]
    [ProducesResponseType<PlatformDunningEventItem>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformDunningEventItem>> DunningEventDetail(
        [FromQuery] Guid eventId,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.GetDunningEventDetailAsync(ResolveActor(), eventId, cancellationToken));
    }

    [HttpPost("dunning-notification-events/retry")]
    [Authorize(Policy = BackendPermissions.PlatformBillingNotification)]
    [EndpointSummary("重新标记平台催缴通知事件待发送")]
    [ProducesResponseType<PlatformDunningEventItem>(StatusCodes.Status200OK)]
    public async Task<ActionResult<PlatformDunningEventItem>> RetryDunningEvent(
        RetryPlatformDunningEventDto request,
        CancellationToken cancellationToken)
    {
        return Ok(await platformAdminService.RetryDunningEventAsync(ResolveActor(), request.ToCommand(), cancellationToken));
    }

    private PlatformAdminActor ResolveActor()
    {
        if (currentUser.UserId is not { } userId)
        {
            throw new PlatformAdminException("Platform admin actor was not resolved.", "platform_access_denied");
        }

        return new PlatformAdminActor(userId);
    }
}