// Code generated by ndpgen. DO NOT EDIT.

package host

import (
	"context"
	"encoding/json"

	extism "github.com/extism/go-sdk"
)

// TaskQueueCreateQueueRequest is the request type for TaskQueue.CreateQueue.
type TaskQueueCreateQueueRequest struct {
	Name   string      `json:"name"`
	Config QueueConfig `json:"config"`
}

// TaskQueueCreateQueueResponse is the response type for TaskQueue.CreateQueue.
type TaskQueueCreateQueueResponse struct {
	Error string `json:"error,omitempty"`
}

// TaskQueueEnqueueRequest is the request type for TaskQueue.Enqueue.
type TaskQueueEnqueueRequest struct {
	QueueName string `json:"queueName"`
	Payload   []byte `json:"payload"`
}

// TaskQueueEnqueueResponse is the response type for TaskQueue.Enqueue.
type TaskQueueEnqueueResponse struct {
	Result string `json:"result,omitempty"`
	Error  string `json:"error,omitempty"`
}

// TaskQueueGetTaskStatusRequest is the request type for TaskQueue.GetTaskStatus.
type TaskQueueGetTaskStatusRequest struct {
	TaskID string `json:"taskId"`
}

// TaskQueueGetTaskStatusResponse is the response type for TaskQueue.GetTaskStatus.
type TaskQueueGetTaskStatusResponse struct {
	Result string `json:"result,omitempty"`
	Error  string `json:"error,omitempty"`
}

// TaskQueueCancelTaskRequest is the request type for TaskQueue.CancelTask.
type TaskQueueCancelTaskRequest struct {
	TaskID string `json:"taskId"`
}

// TaskQueueCancelTaskResponse is the response type for TaskQueue.CancelTask.
type TaskQueueCancelTaskResponse struct {
	Error string `json:"error,omitempty"`
}

// RegisterTaskQueueHostFunctions registers TaskQueue service host functions.
// The returned host functions should be added to the plugin's configuration.
func RegisterTaskQueueHostFunctions(service TaskQueueService) []extism.HostFunction {
	return []extism.HostFunction{
		newTaskQueueCreateQueueHostFunction(service),
		newTaskQueueEnqueueHostFunction(service),
		newTaskQueueGetTaskStatusHostFunction(service),
		newTaskQueueCancelTaskHostFunction(service),
	}
}

func newTaskQueueCreateQueueHostFunction(service TaskQueueService) extism.HostFunction {
	return extism.NewHostFunctionWithStack(
		"taskqueue_createqueue",
		func(ctx context.Context, p *extism.CurrentPlugin, stack []uint64) {
			// Read JSON request from plugin memory
			reqBytes, err := p.ReadBytes(stack[0])
			if err != nil {
				taskqueueWriteError(p, stack, err)
				return
			}
			var req TaskQueueCreateQueueRequest
			if err := json.Unmarshal(reqBytes, &req); err != nil {
				taskqueueWriteError(p, stack, err)
				return
			}

			// Call the service method
			if svcErr := service.CreateQueue(ctx, req.Name, req.Config); svcErr != nil {
				taskqueueWriteError(p, stack, svcErr)
				return
			}

			// Write JSON response to plugin memory
			resp := TaskQueueCreateQueueResponse{}
			taskqueueWriteResponse(p, stack, resp)
		},
		[]extism.ValueType{extism.ValueTypePTR},
		[]extism.ValueType{extism.ValueTypePTR},
	)
}

func newTaskQueueEnqueueHostFunction(service TaskQueueService) extism.HostFunction {
	return extism.NewHostFunctionWithStack(
		"taskqueue_enqueue",
		func(ctx context.Context, p *extism.CurrentPlugin, stack []uint64) {
			// Read JSON request from plugin memory
			reqBytes, err := p.ReadBytes(stack[0])
			if err != nil {
				taskqueueWriteError(p, stack, err)
				return
			}
			var req TaskQueueEnqueueRequest
			if err := json.Unmarshal(reqBytes, &req); err != nil {
				taskqueueWriteError(p, stack, err)
				return
			}

			// Call the service method
			result, svcErr := service.Enqueue(ctx, req.QueueName, req.Payload)
			if svcErr != nil {
				taskqueueWriteError(p, stack, svcErr)
				return
			}

			// Write JSON response to plugin memory
			resp := TaskQueueEnqueueResponse{
				Result: result,
			}
			taskqueueWriteResponse(p, stack, resp)
		},
		[]extism.ValueType{extism.ValueTypePTR},
		[]extism.ValueType{extism.ValueTypePTR},
	)
}

func newTaskQueueGetTaskStatusHostFunction(service TaskQueueService) extism.HostFunction {
	return extism.NewHostFunctionWithStack(
		"taskqueue_gettaskstatus",
		func(ctx context.Context, p *extism.CurrentPlugin, stack []uint64) {
			// Read JSON request from plugin memory
			reqBytes, err := p.ReadBytes(stack[0])
			if err != nil {
				taskqueueWriteError(p, stack, err)
				return
			}
			var req TaskQueueGetTaskStatusRequest
			if err := json.Unmarshal(reqBytes, &req); err != nil {
				taskqueueWriteError(p, stack, err)
				return
			}

			// Call the service method
			result, svcErr := service.GetTaskStatus(ctx, req.TaskID)
			if svcErr != nil {
				taskqueueWriteError(p, stack, svcErr)
				return
			}

			// Write JSON response to plugin memory
			resp := TaskQueueGetTaskStatusResponse{
				Result: result,
			}
			taskqueueWriteResponse(p, stack, resp)
		},
		[]extism.ValueType{extism.ValueTypePTR},
		[]extism.ValueType{extism.ValueTypePTR},
	)
}

func newTaskQueueCancelTaskHostFunction(service TaskQueueService) extism.HostFunction {
	return extism.NewHostFunctionWithStack(
		"taskqueue_canceltask",
		func(ctx context.Context, p *extism.CurrentPlugin, stack []uint64) {
			// Read JSON request from plugin memory
			reqBytes, err := p.ReadBytes(stack[0])
			if err != nil {
				taskqueueWriteError(p, stack, err)
				return
			}
			var req TaskQueueCancelTaskRequest
			if err := json.Unmarshal(reqBytes, &req); err != nil {
				taskqueueWriteError(p, stack, err)
				return
			}

			// Call the service method
			if svcErr := service.CancelTask(ctx, req.TaskID); svcErr != nil {
				taskqueueWriteError(p, stack, svcErr)
				return
			}

			// Write JSON response to plugin memory
			resp := TaskQueueCancelTaskResponse{}
			taskqueueWriteResponse(p, stack, resp)
		},
		[]extism.ValueType{extism.ValueTypePTR},
		[]extism.ValueType{extism.ValueTypePTR},
	)
}

// taskqueueWriteResponse writes a JSON response to plugin memory.
func taskqueueWriteResponse(p *extism.CurrentPlugin, stack []uint64, resp any) {
	respBytes, err := json.Marshal(resp)
	if err != nil {
		taskqueueWriteError(p, stack, err)
		return
	}
	respPtr, err := p.WriteBytes(respBytes)
	if err != nil {
		stack[0] = 0
		return
	}
	stack[0] = respPtr
}

// taskqueueWriteError writes an error response to plugin memory.
func taskqueueWriteError(p *extism.CurrentPlugin, stack []uint64, err error) {
	errResp := struct {
		Error string `json:"error"`
	}{Error: err.Error()}
	respBytes, _ := json.Marshal(errResp)
	respPtr, _ := p.WriteBytes(respBytes)
	stack[0] = respPtr
}