package modules

import (
	"context"
	"io"
	"log/slog"
	"testing"

	"code.icb4dc0.de/buildr/buildr/modules/state"
)

var _ ExecutionContext = (*TestExecutionContext)(nil)

type TestExecutionContext struct {
	context.Context
	TB              testing.TB
	StateStore      state.Store
	TestWorkingDir  string
	OutputDirectory string
}

func (t TestExecutionContext) Name() string {
	return t.TB.Name()
}

func (t TestExecutionContext) WorkingDir() string {
	return t.TestWorkingDir
}

func (t TestExecutionContext) OutDir() string {
	return t.OutputDirectory
}

func (t TestExecutionContext) BinariesDir() string {
	return ""
}

func (t TestExecutionContext) StdOut() io.Writer {
	return testWriter{TB: t.TB}
}

func (t TestExecutionContext) StdErr() io.Writer {
	return testWriter{TB: t.TB}
}

func (t TestExecutionContext) Logger() *slog.Logger {
	return slog.New(slog.NewTextHandler(testWriter{TB: t.TB}, nil))
}

func (t TestExecutionContext) GetState(ctx context.Context, key string) ([]byte, state.Metadata, error) {
	return t.StateStore.Get(ctx, state.KeyOfStrings(key))
}

func (t TestExecutionContext) SetState(ctx context.Context, key string, value []byte) error {
	return t.StateStore.Set(ctx, state.KeyOfStrings(key), value)
}

var _ io.Writer = (*testWriter)(nil)

type testWriter struct {
	testing.TB
}

func (t testWriter) Write(p []byte) (n int, err error) {
	t.Log(string(p))
	return len(p), nil
}