package fixtures

import (
	"context"
	"tercul/internal/domain"
	"time"

	"github.com/google/uuid"
	"gorm.io/gorm"
)

// Author fixtures for testing
var (
	// TolstoyAuthor is a fixture for Leo Tolstoy
	TolstoyAuthor = domain.Author{
		TranslatableModel: domain.TranslatableModel{
			BaseModel: domain.BaseModel{
				ID:        uuid.MustParse("550e8400-e29b-41d4-a716-446655440001"),
				CreatedAt: time.Now().Add(-365 * 24 * time.Hour),
				UpdatedAt: time.Now().Add(-30 * 24 * time.Hour),
			},
			Language: "en",
		},
		Name:      "Leo Tolstoy",
		BirthDate: timePtr("1828-09-09T00:00:00Z"),
		DeathDate: timePtr("1910-11-20T00:00:00Z"),
	}

	// EliotAuthor is a fixture for T.S. Eliot
	EliotAuthor = domain.Author{
		TranslatableModel: domain.TranslatableModel{
			BaseModel: domain.BaseModel{
				ID:        uuid.MustParse("550e8400-e29b-41d4-a716-446655440002"),
				CreatedAt: time.Now().Add(-180 * 24 * time.Hour),
				UpdatedAt: time.Now().Add(-10 * 24 * time.Hour),
			},
			Language: "en",
		},
		Name:      "T.S. Eliot",
		BirthDate: timePtr("1888-09-26T00:00:00Z"),
		DeathDate: timePtr("1965-01-04T00:00:00Z"),
	}

	// KafkaAuthor is a fixture for Franz Kafka
	KafkaAuthor = domain.Author{
		TranslatableModel: domain.TranslatableModel{
			BaseModel: domain.BaseModel{
				ID:        uuid.MustParse("550e8400-e29b-41d4-a716-446655440003"),
				CreatedAt: time.Now().Add(-90 * 24 * time.Hour),
				UpdatedAt: time.Now().Add(-5 * 24 * time.Hour),
			},
			Language: "en",
		},
		Name:      "Franz Kafka",
		BirthDate: timePtr("1883-07-03T00:00:00Z"),
		DeathDate: timePtr("1924-06-03T00:00:00Z"),
	}

	// ContemporaryAuthor is a fixture for a contemporary author
	ContemporaryAuthor = domain.Author{
		TranslatableModel: domain.TranslatableModel{
			BaseModel: domain.BaseModel{
				ID:        uuid.MustParse("550e8400-e29b-41d4-a716-446655440004"),
				CreatedAt: time.Now().Add(-30 * 24 * time.Hour),
				UpdatedAt: time.Now(),
			},
			Language: "en",
		},
		Name:      "Jane Modern",
		BirthDate: timePtr("1985-03-15T00:00:00Z"),
	}
)

// AllAuthors returns all author fixtures
func AllAuthors() []domain.Author {
	return []domain.Author{
		TolstoyAuthor,
		EliotAuthor,
		KafkaAuthor,
		ContemporaryAuthor,
	}
}

// LoadAuthors loads author fixtures into the database
func LoadAuthors(ctx context.Context, db *gorm.DB) error {
	for _, author := range AllAuthors() {
		if err := db.Create(&author).Error; err != nil {
			return err
		}
	}
	return nil
}

func timePtr(s string) *time.Time {
	t, _ := time.Parse(time.RFC3339, s)
	return &t
}