Not a video editing person, but should probably get Ryzen over Intel CPU. R5-1600 probably. GPU can get GTX1060.
Not sure if RAM is important from video editing, can get advice from the other bros here.
Mobo + CPU : ASUS Prime B350M-A + R5-1600 ($470)
GPU : Palit GTX1060 3GB ($275)
RAM : Kingston 2133MHz ValueRAM 8GB ($89)
SSD : OCZ 240GB ($135)
HDD : WD Blue 1TB ($72)
Case : Tecware F3 ($49)
PSU : EVGA B-Series 450W ($79)
Total : $1169
Prices from PCThemes pricelist. If you source components from different shops/lazada/qoo10 can save a considerable amount.
OS : Windows 10 from Carousell ($10-20)
Assuming no need monitor or other peripherals