Just guessing for now.

I. Bad AI (81)

- Randomly choose a move, including useless moves.

II. Type 1 smart AI (83)

- If using an attacking move, choose the move and target that yields the most damage.
- Use Agility if slower than the would-be target.
- Always use Fake Out on turn 1.
- Pokemon with the same priority come out in the order listed.

TO ADD: Helping Hand, Sonicboom, Sweet Scent, others

III. Type 2 smart AI (84)

- If an enemy is in kill range, go for the kill.
- If using an attacking move, choose the move and target that yields the most damage.
- Dismiss useless moves.
- Pokemon with the same priority come out in a random order to start the battle.

TO ADD: Much more

IV. Miror B. 1 AI (85)

- Use Rain Dance unless already raining.
- Use Leech Seed on turn 1.
- If using an attacking move, randomly choose a move and target.
- Dismiss useless moves.

V. Dakim AI (86)

- If an enemy is in kill range, go for the kill.
- If using an attacking move, choose the move and target that yields the most damage.
- If Earthquake is chosen, have the other Pokemon use Protect if it didn't Protect last turn.
- Discourage Protect on consecutive turns.
- Never choose Earthquake if it can kill an ally.
- DAKIM 2 ONLY: Occasionally use a Hyper Potion when at low HP, maximum 1 per battle. (For some reason, he has AI 86 for both battles despite not having a Hyper Potion for the first one.) 
- Dismiss useless moves.

VI. Venus AI (87)

- If an enemy is in kill range, go for the kill.
- If using an attacking move, choose the move and target that yields the most damage.
- If using a non-attacking move (e.g., Attract), target the Pokemon that would take the most damage if an attacking move was chosen.
- Use Attract if the would-be target is the opposite gender.
- Discourage status moves, stat-lowering moves or Curse.
- Never choose Earthquake if it can kill an ally.
- VENUS 2 ONLY: Occasionally use a Hyper Potion when at low HP, maximum 1 per battle. (For some reason, she has AI 87 for both battles despite not having a Hyper Potion for the first one.) 
- Dismiss useless moves.

VII. Ein AI (88)

- If an enemy is in kill range, go for the kill.
- If using an attacking move, choose based on a priority system that considers the moves' type effectiveness and how much damage they do.
- If using a non-attacking move (e.g., Toxic), target the Pokemon that would take the most damage if an attacking move was chosen.
- Use Rain Dance unless already raining.
- Favor status moves.
- Occasionally use Protect.
- EIN 2 ONLY: Occasionally use a Hyper Potion when at low HP, maximum 1 per battle. (For some reason, he has AI 88 for both battles despite not having a Hyper Potion for the first one.) 
- Dismiss useless moves.

VIII. Gonzap AI (89)

- If an enemy is in kill range, go for the kill.
- Choose the move and target that yields the most damage.
- Never choose Earthquake if it can kill an ally.
- Dismiss useless moves.

IX. Nascour AI (90)

- If an enemy is in kill range, go for the kill.
- If using an attacking move, choose the move and target that yields the most damage.
- If using a non-attacking move (e.g., Attract), target the Pokemon that would take the most damage if an attacking move was chosen.
- Use Attract if the would-be target is the opposite gender.
- Favor status moves.
- Occasionally use a Hyper Potion when at low HP, maximum 1 per battle.
- Occasionally use an X Special on all Pokemon with a Sp. Atk stage of 0 or less, maximum 2 per battle. If only 1 X Special remains and there are 2 possible Pokemon, use on the faster Pokemon.
- Dismiss useless moves.

X. Evice AI (91)

- If an enemy is in kill range, go for the kill.
- If using an attacking move, choose the move and target that yields the most damage.
- Occasionally use stat-increasing moves.
- Never choose Earthquake if it can kill an ally.
- Occasionally use a Full Restore when at low HP, maximum 2 per battle.
- Occasionally use an X Attack on all Pokemon with an Attack stage of 0 or less, maximum 2 per battle. If only 1 X Attack remains and there are 2 possible Pokemon, use on the faster Pokemon.
- Dismiss useless moves.

TO ADD: Baton Passing to Tyranitar

XI. Miror B 2 AI (245)

- If an enemy is in kill range, go for the kill.
- Use Rain Dance unless already raining.
- If using an attacking move, choose the move and target that yields the most damage.
- If using a non-attacking move (e.g., Leech Seed), target the Pokemon that would take the most damage if an attacking move was chosen.
- Occasionally use a Hyper Potion when at low HP, maximum 1 per battle.
- Dismiss useless moves.

XII. Geats AI (260)

- Use Focus Energy.

TO ADD: Attacking move AI, Pokemon order