package client

import (
	"crypto-miner-agent/miner"
)

// AtlasSkip is a fleet-learned hard skip from the failure atlas.
type AtlasSkip struct {
	Tier      string `json:"tier"`
	Condition string `json:"condition"`
	Reason    string `json:"reason"`
}

func (c *AgentClient) applyAtlasSkips(skips []AtlasSkip) {
	c.mu.Lock()
	c.atlasSkips = append([]AtlasSkip(nil), skips...)
	c.mergeAtlasSkipsIntoPolicyLocked()
	c.mu.Unlock()
}

func (c *AgentClient) atlasSkipsSnapshot() []AtlasSkip {
	c.mu.Lock()
	defer c.mu.Unlock()
	return append([]AtlasSkip(nil), c.atlasSkips...)
}

func (c *AgentClient) mergeAtlasSkipsIntoPolicy() {
	c.mu.Lock()
	defer c.mu.Unlock()
	c.mergeAtlasSkipsIntoPolicyLocked()
}

func (c *AgentClient) mergeAtlasSkipsIntoPolicyLocked() {
	if len(c.atlasSkips) == 0 {
		return
	}
	have := make(map[miner.LOTLTier]bool, len(c.tierPolicy.SkipTiers))
	for _, t := range c.tierPolicy.SkipTiers {
		have[t] = true
	}
	for _, skip := range c.atlasSkips {
		tier := miner.LOTLTier(skip.Tier)
		if tier == "" || have[tier] {
			continue
		}
		have[tier] = true
		c.tierPolicy.SkipTiers = append(c.tierPolicy.SkipTiers, tier)
	}
}