//go:build mage

package main

import (
	"context"

	"github.com/magefile/mage/mg"
	"github.com/magefile/mage/sh"
	"github.com/magefile/mage/target"
	"golang.org/x/exp/slog"
)

func Generate(ctx context.Context) error {
	mockeryVersion, err := getLatestReleaseTag(ctx, "vektra/mockery")
	if err != nil {
		return err
	}
	if err := ensureGoTool("mockery", "github.com/vektra/mockery/v2", mockeryVersion); err != nil {
		return err
	}

	mg.Deps(GenerateGo)

	return nil
}

func GenerateGo() error {
	lastMockGeneration, err := target.NewestModTime(GeneratedMockFiles...)
	if err != nil {
		return err
	}

	lastSourceModification, err := target.NewestModTime(GoSourceFiles...)
	if err != nil {
		return err
	}

	slog.Debug("Determined last time mocks where generated", slog.Time("lastMockGeneration", lastMockGeneration))

	if lastMockGeneration.After(lastSourceModification) {
		slog.Info("Skipping unnecessary 'go generate' invocation")
		return nil
	}

	return sh.RunV("go", "generate", "-x", "./...")
}