using Microsoft.AspNetCore.Mvc;

namespace Distribution.Features.Scheme;

[ApiController]
[Route("api/schemes")]
public class SchemeController(SchemeService service) : ControllerBase
{
    [HttpGet]
    public async Task<IActionResult> GetAll([FromQuery] Guid? regionId) =>
        Ok(await service.GetAllAsync(regionId));

    [HttpGet("{id:guid}")]
    public async Task<IActionResult> GetById(Guid id)
    {
        var result = await service.GetByIdAsync(id);
        return result is null ? NotFound() : Ok(result);
    }

    [HttpPost]
    public async Task<IActionResult> Create(CreateSchemeRequest request, CancellationToken ct)
    {
        try
        {
            var result = await service.CreateAsync(request, ct);
            return CreatedAtAction(nameof(GetById), new { id = result.Id }, result);
        }
        catch (InvalidOperationException ex)
        {
            return BadRequest(new { error = ex.Message });
        }
    }

    [HttpPut("{id:guid}")]
    public async Task<IActionResult> Update(Guid id, UpdateSchemeRequest request, CancellationToken ct)
    {
        try
        {
            var result = await service.UpdateAsync(id, request, ct);
            return result is null ? NotFound() : Ok(result);
        }
        catch (InvalidOperationException ex)
        {
            return BadRequest(new { error = ex.Message });
        }
    }

    [HttpDelete("{id:guid}")]
    public async Task<IActionResult> Delete(Guid id, CancellationToken ct)
    {
        var deleted = await service.DeleteAsync(id, ct);
        return deleted ? NoContent() : NotFound();
    }

    [HttpPut("{id:guid}/free-goods-rule")]
    public async Task<IActionResult> SetFreeGoodsRule(Guid id, SetFreeGoodsRuleRequest request, CancellationToken ct)
    {
        try
        {
            var result = await service.SetFreeGoodsRuleAsync(id, request, ct);
            return result is null ? NotFound() : Ok(result);
        }
        catch (InvalidOperationException ex)
        {
            return Conflict(new { error = ex.Message });
        }
    }

    [HttpDelete("{id:guid}/free-goods-rule")]
    public async Task<IActionResult> ClearFreeGoodsRule(Guid id, CancellationToken ct)
    {
        var result = await service.ClearFreeGoodsRuleAsync(id, ct);
        return result is null ? NotFound() : Ok(result);
    }

    [HttpPut("{id:guid}/bundle-components/{itemId:guid}")]
    public async Task<IActionResult> UpsertBundleComponent(Guid id, Guid itemId, UpsertBundleComponentRequest request, CancellationToken ct)
    {
        try
        {
            var result = await service.UpsertBundleComponentAsync(id, itemId, request, ct);
            return result is null ? NotFound() : Ok(result);
        }
        catch (InvalidOperationException ex)
        {
            return Conflict(new { error = ex.Message });
        }
    }

    [HttpDelete("{id:guid}/bundle-components/{itemId:guid}")]
    public async Task<IActionResult> RemoveBundleComponent(Guid id, Guid itemId, CancellationToken ct)
    {
        var result = await service.RemoveBundleComponentAsync(id, itemId, ct);
        return result is null ? NotFound() : Ok(result);
    }

    [HttpGet("eligible")]
    public async Task<IActionResult> GetEligible([FromQuery] Guid storeId, [FromQuery] Guid orderId)
    {
        var result = await service.EvaluateEligibilityAsync(storeId, orderId);
        return result is null ? NotFound() : Ok(result);
    }

    [HttpGet("{id:guid}/spend")]
    public async Task<IActionResult> GetSpend(Guid id)
    {
        var result = await service.GetSpendAsync(id);
        return result is null ? NotFound() : Ok(result);
    }

    [HttpGet("{id:guid}/roi")]
    public async Task<IActionResult> GetROI(Guid id)
    {
        var result = await service.GetROIAsync(id);
        return result is null ? NotFound() : Ok(result);
    }
}

[ApiController]
[Route("api/orders")]
public class SchemeOrderController(SchemeService service) : ControllerBase
{
    [HttpPost("{id:guid}/apply-scheme")]
    public async Task<IActionResult> ApplyScheme(Guid id, ApplySchemeRequest request, CancellationToken ct)
    {
        try
        {
            var result = await service.ApplySchemeAsync(id, request.SchemeId, ct);
            return result is null ? NotFound() : Ok(result);
        }
        catch (InvalidOperationException ex)
        {
            return Conflict(new { error = ex.Message });
        }
    }
}