package handlers

import (
	"net/http"
	"strconv"
	"time"

	"github.com/gin-gonic/gin"

	"airwallex-admin/models"
)

func ListCardLogs(c *gin.Context) {
	pageNum, _ := strconv.Atoi(c.DefaultQuery("page_num", "0"))
	pageSize, _ := strconv.Atoi(c.DefaultQuery("page_size", "20"))

	query := models.DB.Model(&models.CardLog{})

	if v := c.Query("card_id"); v != "" {
		query = query.Where("card_id = ?", v)
	}
	if v := c.Query("action"); v != "" {
		query = query.Where("action = ?", v)
	}

	var total int64
	query.Count(&total)

	var logs []models.CardLog
	query.Order("created_at DESC").
		Offset(pageNum * pageSize).
		Limit(pageSize).
		Find(&logs)

	if logs == nil {
		logs = []models.CardLog{}
	}

	hasMore := int64((pageNum+1)*pageSize) < total

	c.JSON(http.StatusOK, gin.H{
		"items":     logs,
		"page_num":  pageNum,
		"page_size": pageSize,
		"total":     total,
		"has_more":  hasMore,
	})
}

func ListAuditLogs(c *gin.Context) {
	pageNum, _ := strconv.Atoi(c.DefaultQuery("page_num", "0"))
	pageSize, _ := strconv.Atoi(c.DefaultQuery("page_size", "20"))

	query := models.DB.Model(&models.AuditLog{})

	if v := c.Query("action"); v != "" {
		query = query.Where("action = ?", v)
	}
	if v := c.Query("resource_type"); v != "" {
		query = query.Where("resource_type = ?", v)
	}
	if v := c.Query("from_date"); v != "" {
		if t, err := time.Parse("2006-01-02", v); err == nil {
			query = query.Where("created_at >= ?", t)
		}
	}
	if v := c.Query("to_date"); v != "" {
		if t, err := time.Parse("2006-01-02", v); err == nil {
			query = query.Where("created_at < ?", t.Add(24*time.Hour))
		}
	}

	var total int64
	query.Count(&total)

	var logs []models.AuditLog
	query.Order("created_at DESC").
		Offset(pageNum * pageSize).
		Limit(pageSize).
		Find(&logs)

	if logs == nil {
		logs = []models.AuditLog{}
	}

	hasMore := int64((pageNum+1)*pageSize) < total

	c.JSON(http.StatusOK, gin.H{
		"items":     logs,
		"page_num":  pageNum,
		"page_size": pageSize,
		"total":     total,
		"has_more":  hasMore,
	})
}