package api

import (
	"fmt"
	"git.solsynth.dev/hydrogen/passport/pkg/internal/database"
	"git.solsynth.dev/hydrogen/passport/pkg/internal/models"
	"git.solsynth.dev/hydrogen/passport/pkg/internal/server/exts"
	"git.solsynth.dev/hydrogen/passport/pkg/internal/services"
	"github.com/gofiber/fiber/v2"
	"gorm.io/gorm"
)

func listBotKeys(c *fiber.Ctx) error {
	if err := exts.EnsureAuthenticated(c); err != nil {
		return err
	}
	user := c.Locals("user").(models.Account)

	var tx *gorm.DB

	botId, _ := c.ParamsInt("botId", 0)
	if botId > 0 {
		var bot models.Account
		if err := database.C.Where("automated_id = ? AND id = ?", user.ID, botId).First(&bot).Error; err != nil {
			return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("bot not found: %v", err))
		}
		tx = database.C.Where("account_id = ?", bot.ID)
	} else {
		tx = database.C.Where("account_id = ?", user.ID)
	}

	countTx := tx
	var count int64
	if err := countTx.Model(&models.ApiKey{}).Count(&count).Error; err != nil {
		return fiber.NewError(fiber.StatusInternalServerError, err.Error())
	}

	var keys []models.ApiKey
	if err := tx.Preload("Ticket").Find(&keys).Error; err != nil {
		return fiber.NewError(fiber.StatusInternalServerError, err.Error())
	}

	return c.JSON(fiber.Map{
		"count": count,
		"data":  keys,
	})
}

func getBotKey(c *fiber.Ctx) error {
	if err := exts.EnsureAuthenticated(c); err != nil {
		return err
	}
	user := c.Locals("user").(models.Account)

	id, _ := c.ParamsInt("id", 0)

	var key models.ApiKey
	if err := database.C.
		Where("id = ? AND account_id = ?", id, user.ID).
		Preload("Ticket").
		First(&key).Error; err != nil {
		return fiber.NewError(fiber.StatusNotFound, err.Error())
	}

	return c.JSON(key)
}

func createBotKey(c *fiber.Ctx) error {
	if err := exts.EnsureAuthenticated(c); err != nil {
		return err
	}
	user := c.Locals("user").(models.Account)

	var data struct {
		Name        string   `json:"name" validate:"required"`
		Description string   `json:"description"`
		Lifecycle   *int64   `json:"lifecycle"`
		Claims      []string `json:"claims"`
	}

	if err := exts.BindAndValidate(c, &data); err != nil {
		return err
	}

	target := user

	botId, _ := c.ParamsInt("botId", 0)
	if botId > 0 {
		var bot models.Account
		if err := database.C.Where("automated_id = ? AND id = ?", user.ID, botId).First(&bot).Error; err != nil {
			return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("bot not found: %v", err))
		}
		target = bot
	}

	key, err := services.NewApiKey(target, models.ApiKey{
		Name:        data.Name,
		Description: data.Description,
		Lifecycle:   data.Lifecycle,
	}, c.IP(), c.Get(fiber.HeaderUserAgent), data.Claims)
	if err != nil {
		return fiber.NewError(fiber.StatusBadRequest, err.Error())
	}

	return c.JSON(key)
}

func editBotKey(c *fiber.Ctx) error {
	if err := exts.EnsureAuthenticated(c); err != nil {
		return err
	}
	user := c.Locals("user").(models.Account)

	var data struct {
		Name        string `json:"name" validate:"required"`
		Description string `json:"description"`
		Lifecycle   *int64 `json:"lifecycle"`
	}

	if err := exts.BindAndValidate(c, &data); err != nil {
		return err
	}

	id, _ := c.ParamsInt("id", 0)

	var tx *gorm.DB

	botId, _ := c.ParamsInt("botId", 0)
	if botId > 0 {
		var bot models.Account
		if err := database.C.Where("automated_id = ? AND id = ?", user.ID, botId).First(&bot).Error; err != nil {
			return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("bot not found: %v", err))
		}
		tx = database.C.Where("account_id = ?", bot.ID)
	} else {
		tx = database.C.Where("account_id = ?", user.ID)
	}

	var key models.ApiKey
	if err := tx.Where("id = ?", id).First(&key).Error; err != nil {
		return fiber.NewError(fiber.StatusNotFound, err.Error())
	}

	key.Name = data.Name
	key.Description = data.Description
	key.Lifecycle = data.Lifecycle

	if err := database.C.Save(&key).Error; err != nil {
		return fiber.NewError(fiber.StatusBadRequest, err.Error())
	}

	return c.JSON(key)
}

func rollBotKey(c *fiber.Ctx) error {
	if err := exts.EnsureAuthenticated(c); err != nil {
		return err
	}
	user := c.Locals("user").(models.Account)

	id, _ := c.ParamsInt("id", 0)

	var tx *gorm.DB

	botId, _ := c.ParamsInt("botId", 0)
	if botId > 0 {
		var bot models.Account
		if err := database.C.Where("automated_id = ? AND id = ?", user.ID, botId).First(&bot).Error; err != nil {
			return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("bot not found: %v", err))
		}
		tx = database.C.Where("account_id = ?", bot.ID)
	} else {
		tx = database.C.Where("account_id = ?", user.ID)
	}

	var key models.ApiKey
	if err := tx.Where("id = ?", id).First(&key).Error; err != nil {
		return fiber.NewError(fiber.StatusNotFound, err.Error())
	}

	if key, err := services.RollApiKey(key); err != nil {
		return fiber.NewError(fiber.StatusBadRequest, err.Error())
	} else {
		return c.JSON(key)
	}
}

func revokeBotKey(c *fiber.Ctx) error {
	if err := exts.EnsureAuthenticated(c); err != nil {
		return err
	}
	user := c.Locals("user").(models.Account)

	id, _ := c.ParamsInt("id", 0)

	var tx *gorm.DB

	botId, _ := c.ParamsInt("botId", 0)
	if botId > 0 {
		var bot models.Account
		if err := database.C.Where("automated_id = ? AND id = ?", user.ID, botId).First(&bot).Error; err != nil {
			return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("bot not found: %v", err))
		}
		tx = database.C.Where("account_id = ?", bot.ID)
	} else {
		tx = database.C.Where("account_id = ?", user.ID)
	}

	var key models.ApiKey
	if err := tx.Where("id = ?", id).First(&key).Error; err != nil {
		return fiber.NewError(fiber.StatusNotFound, err.Error())
	}

	if err := database.C.Delete(&key).Error; err != nil {
		return fiber.NewError(fiber.StatusInternalServerError, err.Error())
	}

	return c.JSON(key)
}