connecting two ISP to one LAN

hi all
i have a client in the hospitality industry who need reliable connectivity.
he has got two ISPs as below.
1. provides Fiber connectivity
2. provides connectivity via 2 (two) vsat for high uplink
i want to connect the 2 ISPs as below
1. fiber to be active link
2. have the two vsats on load balancing
3. have a fail-over so that when fiber is of, the vsats takes over traffic
4. have the network users access network wirelessly.

please help with configurations.

thank you