using FlatRender.IdentitySvc.Application.Services;
using FlatRender.IdentitySvc.Models;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;

namespace FlatRender.IdentitySvc.Controllers;

[ApiController]
[Authorize(Roles = "Admin")]
public class AdminController(AdminService svc) : ControllerBase
{
    private Guid TenantId =>
        Guid.TryParse(User.FindFirst("tenant_id")?.Value, out var t)
            ? t : Guid.Parse("00000000-0000-0000-0000-000000000001");

    // ── CRM analytics ────────────────────────────────────────────────────────
    [HttpGet("v1/admin/crm/analytics")]
    public async Task<IActionResult> Crm([FromQuery] DateTime? start, [FromQuery] DateTime? end)
    {
        var s = start ?? DateTime.UtcNow.AddDays(-30);
        var e = end ?? DateTime.UtcNow;
        return Ok(await svc.GetCrmAnalyticsAsync(TenantId, s, e));
    }

    // ── Plan statistics ──────────────────────────────────────────────────────
    [HttpGet("v1/admin/plan-statistics")]
    public async Task<IActionResult> PlanStats() => Ok(await svc.GetPlanStatisticsAsync(TenantId));

    // ── OAuth provider config ──────────────────────────────────────────────────
    [HttpGet("v1/admin/oauth/{provider}")]
    public async Task<IActionResult> GetOAuth(string provider, [FromServices] OAuthService oauth)
    {
        var c = await oauth.GetConfigAsync(provider);
        return Ok(new OAuthConfigResponse(provider, c?.ClientId, c?.RedirectUri, c?.Enabled ?? false,
            !string.IsNullOrEmpty(c?.ClientSecret)));
    }

    [HttpPut("v1/admin/oauth/{provider}")]
    public async Task<IActionResult> PutOAuth(string provider, [FromBody] UpsertOAuthConfigRequest req, [FromServices] OAuthService oauth)
    {
        var c = await oauth.UpsertConfigAsync(provider, req.ClientId, req.ClientSecret, req.RedirectUri, req.Enabled);
        return Ok(new OAuthConfigResponse(provider, c.ClientId, c.RedirectUri, c.Enabled, !string.IsNullOrEmpty(c.ClientSecret)));
    }

    // ── CRM notes / tags ───────────────────────────────────────────────────────
    [HttpGet("v1/users/{userId:guid}/crm")]
    public async Task<IActionResult> GetCrm(Guid userId) => Ok(await svc.GetUserCrmAsync(userId));

    [HttpPut("v1/users/{userId:guid}/crm")]
    public async Task<IActionResult> PutCrm(Guid userId, [FromBody] UpsertUserCrmRequest req)
        => Ok(await svc.UpsertUserCrmAsync(userId, req));

    // ── Power-actions ──────────────────────────────────────────────────────────
    [HttpPost("v1/users/{userId:guid}/balance")]
    public async Task<IActionResult> Balance(Guid userId, [FromBody] SetBalanceRequest req)
    {
        await svc.SetBalanceAsync(userId, req.AmountMinor, req.Add);
        return Ok(new { ok = true });
    }

    [HttpPost("v1/users/{userId:guid}/password")]
    public async Task<IActionResult> Password(Guid userId, [FromBody] ResetPasswordRequest req)
    {
        await svc.ResetPasswordAsync(userId, req.NewPassword);
        return Ok(new { ok = true });
    }

    [HttpPost("v1/users/{userId:guid}/charge")]
    public async Task<IActionResult> Charge(Guid userId, [FromBody] AddChargeRequest req)
    {
        await svc.AddChargeAsync(userId, req.Seconds, req.RenderCount);
        return Ok(new { ok = true });
    }

    [HttpPost("v1/users/{userId:guid}/moderator")]
    public async Task<IActionResult> Moderator(Guid userId, [FromBody] SetFlagRequest req)
    {
        await svc.SetModeratorAsync(userId, req.Enabled);
        return Ok(new { ok = true });
    }

    [HttpPost("v1/users/{userId:guid}/grant-plan")]
    public async Task<IActionResult> GrantPlan(Guid userId, [FromBody] GrantPlanDaysRequest req)
    {
        try
        {
            await svc.GrantPlanDaysAsync(userId, req.PlanId, req.Days);
            return Ok(new { ok = true });
        }
        catch (KeyNotFoundException ex)
        {
            return BadRequest(new { error = new { message = ex.Message } });
        }
    }
}